Vernon Sewell has assembled quite a decent cast here, but sadly the story is scraping the bottom of the barrel somewhat. Robert Flemyng is a genetic scientist who has created (why?) a being that by day is the gorgeous, vivacious young women "Clare" (Wanda Bentham) but by night is a blood sucking insect feasting readily on anyone who takes it's fancy. Luckily, Peter Cushing ("Insp. Quennell") is on hand to get to the bottom of things. Again, the colour photography robs this of what menace it had, and the effects - such as they are - rely too much on the old techniques of light and shade to have much of an impact in this new medium. Perhaps not a film for lepidopteraphobics, it does gather a bit of pace as Cushing's investigations start to bear fruit, but for me this is all just a bit too predictably silly.