Costa Chica Confession of an Exorcist: Legion: The Final Exorcism (aka Costa Chica: Confession of an Exorcist): Michael San Chica is an ex-priest. He is also an investigator documenting true events of demonic possession. When Michael comes to the rescue of the newly possessed Tatiana McMurter, daughter of a Baptist minister, he discovers that he has encountered this demon before… A demon he vowed to track down and send back to hell. Because this time it’s not business… it’s personal.