When Mr. Harrigan dies, the teen who befriended and did odd jobs for him, puts his smart phone in his pocket before burial and when the lonely youth leaves his dead friend a message, he is shocked to get a return text.

Finney Blake is a shy but clever 13-year-old boy who is abducted by a sadistic killer and trapped in a soundproof basement where screaming is of no use. When a disconnected phone on the wall begins to ring, Finney discovers that he can hear the voices of the killer's previous victims. And they are dead-set on making sure that what happened to them doesn't happen to Finney.

Stu Shepard is a fast talking and wise cracking New York City publicist who gets out of trouble and lies with his clever charm, connections, and charisma. Stu's greatest lie is to his wife Kelly, who he is cheating on with his girlfriend, Pam. Upon answering a call in a phone booth in belief it is Pam, Stu is on the line with a dangerous yet intelligent psychopath with a sniper rifle. When realizing it is not a joke, Stu is placed in a powerful mind game of wits and corruption. The New York City Police eventually arrive thereafter and demand Stu comes out of the phone booth- but how can he when if he hangs up or leaves the booth he will die?

Years after the death of her father, college student Fiona Stephens and her friends struggle to escape the grasp of a masked psychopath, hellbent on their brutal murders.