The Olympians must face the fierce giant Typhon in order to find magic seeds that will help grow the earth after the terrible drought brought upon the land by Hyperion.
When Percy Jackson, a seventh-grade demigod living in New York, learns from his friend Annabeth that someone has poisoned the magical borders that protect Camp Half-Blood, Percy and his friends must journey into the Sea of Monsters to save their camp.
Ten-year-old Zeus is kidnapped by the terrible Titans, merciless giants who enjoy snacking on humans, and when in self-defense he pulls a magical thunderbolt from a stone he begins an adventure to rescue his fellow Olympians from the evil Cronus.