Each of the three protagonists were taken on a tour of the camp, each from a different person; Leo by his Hephaestus cabin mates, Piper by Annabeth and Jason by many other people. Each one of them begin to understand the situation that they were in, especially Leo. He learns that his cabin, and his half brothers, have been plagued by a supposed "curse" which begins to worry him. Not only that, but his cabin mates have also informed him that there is a metal dragon loose in the woods, now that caught Leo's attention. A couple days later, while at dinner, Jason accidentally summoned a lightning bolt, solving the mystery of who his godly parent was. Obviously it had to be Zeus, god of lighting and leader of the rest. Later that night, Piper was also claimed, as a daughter of the goddess of love, Aphrodite. Meanwhile, Leo is feeling left out, and he begins to feel like hi secret is proving too hard to keep.
Leo goes out to explore the woods one night and he discovers bunker nine, a secret bunker made by his semi-siblings, long ago. Also, Leo manages to catch the metal dragon, he tames it and then he named it Festus, Greek word for happy The rest of the people from the camp are very surprised at Leo's accomplishment. The three demigods are given their first quest, to save queen Hera from the evil earth goddess Gaea. They must travel to the Wolf House and save the Queen of the gods, before it's too late.