Percy no longer understands the world. Every year, he gets expelled from a different school. Strange accidents constantly happen to him. And now he is supposed to be responsible for the tornado! Slowly, he realizes: Someone is out to get him.

When Percy, with the help of his friend Grover, escapes from a Minotaur to Camp Half-Blood, he learns the truth: His father is the sea god Poseidon, making Percy a demigod. And he has a powerful enemy: Kronos, the Titan.

The gods are in turmoil – and Percy and his friends are facing an incredible adventure...