After rescuing his son, Alton, from a fundamentalist religious sect who are convinced his mysterious powers are the key to their salvation, Roy (Michael Shannon), Alton and their bodyguard Lucas (Joel Edgerton) are on the run for their lives.

What starts as a desperate escape from a fearsome cult soon attracts the attention of secretive government forces who believe Alton to be a threat to mankind's very existence. With the trio's fate hanging in the balance, Roy will stop at nothing to keep his son from harm and discover the truth to his unbelievable powers that could change the world forever.