The day before Gaea falls asleep, Tartarus, Primordial God of Evil and The Pit made Perseus Jackson his son and heir in a dream. In a furious rage, Gaea places The Monster Curse hoping to drive Percy insane. Being the son and heir of Tartarus as well as having his friends beside him will help him to master his monstrous and animalistic instincts. What happens when Percy falls into Tartarus again and The Gods have no way of getting him out. Erebus and Nyx along with Gaea rises to destroy The Gods while Percy is fighting to escape Tartarus.