Tom Mullen, a famous best sellers self-help writer, is convoked against his will to save IMRC, a purgatory of involuntary killers that is in crisis and about to disappear. If he fails, he will stay there forever.

Three young programmers come across an abandoned technology meant to detect supernatural presence. They reverse engineer the tech and create an app for their phones which allows them to see ghosts, thus endangering their own lives.