When Lisa Fein disappears from her rural Michigan home, her young son tells police he saw her being attacked by a man in a snowmobile helmet. After a three-day search, Lisa's body is found in a shallow grave. Police set their sights on three people.
A stranger brutally attacks two young women in a park in Portland, Texas. One victim is killed, while the other, miraculously survives. With the help of the survivor, investigators desperately hunt for the killer before he can strike again.