Medivac

Suffering from intense headaches, Arch sends Macy home to rest, but after passing out and crashing her car accident, Macy is admitted to hospital. Macy is initially believed to be okay and just in need of rest, but following a seizure it is discovered that she has a brain aneurysm. After asking Marina to give her last rights, just in case, the aneurysm bursts and despite the frantic efforts of her colleagues, Macy passes away. Bree and Harry are wed while Wayne, after a leave of absence from the ER, decides to leave emergency medicine entirely.

Wayne's 30th birthday lunch ends in a bout of food poisoning for the entire ER staff. The restaurant owner, a close friend of Julia's, tries to persuade her not to report the incident to the Department of Health and promises to take care of the problem herself. Madeline tells Arch she is pregnant but refuses his proposal of marriage. When a wealthy benefactor dies before signing a $330,000 check intended for a long awaited new x-ray machine, Tom forges the man's signature on the check to give him his ""bit of immortality."" Marina breaks her vow of celibacy by sleeping with Dave and then moves in with Arch when she leaves her order.

Bree and Harry become intimately involved. A patient is attacked in the ER by the girlfriend of a man he killed in a car accident. After learning that he will be permanently blind in one eye, Dave tells Marina that he's in love with her. A discrepancy in the department's drug supply leads Julia to the discovery that Tom has cancer and has been taking morphine to ease the pain.

The emergency department is quarantined when Nikki is believed to have a fatal rabbit virus. Dave Callen, Marina's medivac pilot, is blinded following an inflight explosion but Marina is able to successfully talk him through an emergency landing. Wayne attempts to sneak out of the hospital so that he can attend a stamp auction

After robbing Wayne's bank, a young couple are involved in a car accident in which the boy's head is pierced by a length of rebar. Emerging from surgery severly brain damaged, he is fataly shot by his girlfriend and partner-in-crime who is in turn shot and killed by Peter when she attempts to turn the gun on him and Marina. A paraplegic comes into the ER and overdoses himself into a coma, his wish is to have his organs sold to a dying billionaire to help support his family. His wish is eventually realised but Gosia sees that the payout is more appropriate for the magnitude of his sacrifice. Macy returns to her job as the emergency department's Nurse Manager. Bree fishes Harry out of the river and treats him for a jellyfish sting. Harry introduces the staff to the newest member of Bethlehem West's emergency department, Dr. Tom Shawcross

The emergency department staff responds to the accident scene after a truck T-bones a bus full of blind school children. Arch's manslaughter trial begins, but he chooses to attend to the victims of the bus accident instead. Unable to stay away from the hospital after hearing about the collision on the news, Macy returns to help with the accident victims. Wayne and Gosia disagree on whether to inform the police about a young girl who was used as a drug mule. For failing to appear in court, Arch has his bail revoked and is remanded in custody

Harry is placed in the media spotlight following a fatal fire in a run down apartment building which he owns. Macy suffers from the ""say goodbye blues"" after treating a homeless man and getting to know his teenage daughter. Duelling celebrity impersonators are admitted to the department.

After her rescue from the forest, a young school teacher tells of her abduction and subsequent impregnation by aliens. A skeptical Wayne believes her trauma is somehow related to her husband's recent death while Bree, unsure what to believe, just wants her to receive the help that she obviously needs. Soon after releasing the woman from hospital, Wayne and Arch are called out again to assist her after an apparent second abduction and are surprised to discover that she is no longer pregnant

Bree and Gosia discover that Oopy is moonlighting at a private cosmetic surgery institute, Olympia's Secret, when a medivac returns with one of the institute's former patients who is now suffering from complications arising from her surgery. With the help of Peter, and his newly acquired pilot's license, Bree and Gosia take to the air to notify the institute's patients of the possible dangers associated with unnecessary cosmetic surgery. One of Arch's first official actions as the hospital's new Deputy Director results in a funding dispute between two charities

Danny Haywood, a man previously treated by Julia for severe depression (episode 8) is brought into the department under a police escort for treatment after going on a shooting rampage at a crowded public swimming pool. The grief stricken father of one of his victims accidentally shoots Peter while attempting to locate the gunman in the ER.

Marina hands in her resignation after being in a car accident that kills a patient to whom she was giving a ride home. Bree abruptly ends her relationship with Arch after introducing him to her family. Red's quiet day with his wife and newborn son (Alexander) ends in tragedy when a young boy falls off a ferry. A stranded climber requires rescuing

Red's wife phones from Jakarta to tell him that she is pregnant—but that he's not the father. Wayne and Julia are forced to operate in the field when an approaching cyclone grounds their helicopter on a remote island. Before leaving for Jakarta, Red goes to Harry with his desire to have Wayne and his bad bedside manner removed from the ER. With three doctors away from the department, Harry is called upon to take over a delicate procedure from Oopy when the ambitious young intern gets in over his head. Wayne seizes upon Red's absence to endear himself to Harry.

A needle prick received while treating a patient places Julia in a difficult position when the woman, a recovering drug addict, refuses to give her consent for a blood test. Told of Julia's predicament, Wayne illegally obtains a blood sample for testing but when the results come back, Julia, feeling compelled to inform the patient that she has syphilis, makes an anonymous phone call to the woman's GP. Wayne is subsequently arrested and charged with assault when the woman goes to the police after being discharged. While returning to the hospital with a man who has attempted suicide, Arch and Macy's medivac helicopter is forced to make an emergency landing.

Dr. Edwards suffers a heart attack after refusing help from Red who had become concerned when he saw the warning signs. Bree goes on her first date with Arch but must finish it with Wayne when Arch is called back to the hospital. Gosia removes the hypnotic suggestion she implanted in Oopy as payback for his complaint against Macy. Wayne and Gosia's ambulance is rerouted to a house where a shooting has occurred. Without waiting for the police to arrive, Gosia enters the home to offer assistance and comes face-to-face with the gunman

While Red and Julia deal with a deadly outbreak of cholera that is ravaging a small island community, Wayne is left in charge of emergency room. Wayne seizes upon the opportunity and tries to reform the department to suit his vision, and after snooping through the personnel files, Wayne reveals to the staff that Marina is a nun. To get people to stop seeing her in a different light, Marina shows her co-workers exactly who she is. Wayne completes an order for new office chairs but the new furniture proves to be a tough fit.

A terminally ill cancer patient, brought in by medivac after crash landing his glider, has his controversial last request granted and is quietly euthanised by one of the nursing staff during the night. Incensed over the ""murder"" of his patient, Wayne wants to call in the police but Harry, not wanting to draw further attention to the incident, prevents the matter from going any further. Macy is found guilty of exceeding her duties and is given a two week suspension for performing the tracheotomy in the hospital's parking lot. Arch loses the lucky drumsticks that were given to him as a child by his violin teacher.

A 58-year-old woman acting as a surrogate mother for her daughter-in-law and deceased son is admitted to the ER with complications. After apparently recovering, she is taken home by her insistent daughter-in-law only to be brought back in the next day, at which time she dies following an otherwise successful emergency cesarean delivery. While being transported to the hospital on a medivac flight, a patient jumps from the helicopter, landing in the river, and Arch follows the man out the door. Finding a patient collapsed in the parking lot, Macy performs an emergency tracheotomy to save the man's life. Oopy objects to Macy's actions and files a grievance to cover up his own misdiagnosis of the patient. Harry smugly announces to Red and Julia that he has become the new Chief Executive Officer of Bethlehem West

Dr. Harry Edwards is forced by the hospital's board of directors to appoint new arrival Dr. Red Buchanan as his successor for the Head of Bethlehem West's emergency department—despite Harry having promised the job to his Deputy Director, Dr. Julia McAlpine. Wayne makes a failed pass at Julia, describing to her the dreams he has had about the two of them together. Wayne and Bree are sent into the Glasshouse Mountains on a medivac to rescue an injured hiker. Tensions resurface between former colleagues Arch and Red now that the two are once again working together. Offended at being passed over for the Directorship, Julia hands in her resignation.