Julia is babysitting two young kids while a doctor and his wife are out. During the evening, a stranger knocks on the door asking Julia if she can call the auto club so he can get a tow. The phone line is dead though. This is all part of the act as he has made his way inside and abducted the two children. A young babysitter, all alone in the house with two children asleep above, is bothered by a stranger. Unfortunately, the phone's dead...