A prank call was supposed to be harmless fun. But when Ava Harper dials a random number that answers with a chilling, “You’ll regret this,” her life flips into a twisted game of obsession, shadows, and secrets. He knows her name. He knows where she lives. And worst of all… He’s watching. Now Ava’s caught in a web she can’t escape, haunted by a man whose voice is as dangerous as it is addictive. Some numbers should never be dialed. But curiosity? It already killed the girl.