The midnighters of Bixby, Oklahoma face their greatest challenge yet when they realize that the secret 25th hour is about to spill over into the daylight world, unleashing hordes of ancient, hungry monsters on an unsuspecting populace unprepared for such an event. Only together can the five teens use their special abilities to prevent a disaster, but at what cost? A rousing conclusion to a spellbinding trilogy that leaves plenty of room for a follow-up.