A skeptical psychologist joins a Catholic priest-in-training to investigate the church's backlog of unexplained mysteries, miracles, and demonic possessions.A skeptical psychologist joins a Catholic priest-in-training to investigate the church's backlog of unexplained mysteries, miracles, and demonic possessions.A skeptical psychologist joins a Catholic priest-in-training to investigate the church's backlog of unexplained mysteries, miracles, and demonic possessions.