Sam and the team try to catch a mystic arsonist on the loose in Atlanta. Sam profiles that he apparently risks his own life by setting the fires himself on the spot. After a red herring lead involving a photographer always on the scene of the fires, Sam and the team find graffiti messages on walls of the burned out buildings in Farsi meaning 'fire god.' The man is apparently seeking a 'chosen one' immune to fire in order take him to the afterlife to meet his deceased wife. Meanwhile, Sam is worried about Chloe when she becomes emotionally withdrawn when one of her classmates becomes a victim in one of the fires.