Srednješolko pri čuvanju otrok terorizira neznanec z vrsto srhljivih telefonskih klicev. Strah preraste v grozo, ko ji policija sporoči, da klici prihajajo iz notranjosti hiše.
Jill Johnson is being forced to babysit at a BIG house all by herself for exceeding her telephone minutes. Then all of a sudden a stranger calls making these weird remarks. Jill decides to call the police to trace the call. Jill is freaked out when she finds out that the call is coming from inside the house! Jill runs in a hurry trying to get the children and leave. Will Jill make it out of the house in time? Will she live? Well you just have to watch the movie to find out!