It's an invasion of the most personal and terrifying kind. When a meteorite crash lands onto a Boston college campus and an alien beast is released, only one man understands its mission to mate. From the depths of an all girls college, the grotesque monster stalks his prey in a cat-and-mouse chase until the final conflict where only one species can survive.

The law of the wild is kill or be killed; learning how animals kill.

Crime experts explore the motives and modus operandi of female killers. While males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.