When a Stranger Calls is a thrilling horror movie about a babysitter who receives threatening phone calls from a stranger. As the calls become more frequent and the terror escalates, she realizes that the calls are coming from inside the house.
When a Stranger Calls Back is a horror-thriller movie that follows a woman who is terrorized by a stalker while babysitting. She receives mysterious and threatening phone calls, putting her life and the children she is caring for in jeopardy. As the calls escalate, she must fight to protect herself and the children from the dangerous psychopath.