Annabeth behaves coldly with Rachel and accuses her of misleading them. The trio finally arrives at their destination: The workshop of Daedalus.

Rachel leads Percy and Annabeth into an arena, where they meet an old friend and a new brother.

Nico wanders into the Labyrinth again. Annabeth accompanies Percy to Manhattan to ask Rachel for her help in navigating the maze.

Percy returns to Camp Half Blood with the solution on how to navigate the Labyrinth.

Hephaestus pays a visit to Percy at Ogygia. Calypso discloses the curse which engulfs her whole and offers Percy a way out of the war.

Percy lands in Ogygia, the home of the daughter of Atlas, Calypso.

Hephaestus asks Percy and Annabeth to enquire into one of his forges, in return for Daedalus's workshop's location. Grover and Tyson split up from the group, in search for Pan.

Annabeth refuses to answer the 'riddles' posed by the Sphinx.

Nico summons the ghost of Bianca di Angelo. Percy realizes that Daedalus had murdered his nephew. Luke gives Kampê Ariadne's string to navigate the army through the maze. Grover gets worried about his deadline to find Pan.

Percy cleans Geryon's stables with the help a water nymph.