Years after the defeat of the Earth goddess, 52-year-old Annabeth, who lives in New Rome, receives a letter from an old friend whom she haven't talked to in months, but after all that's happened, could she handle the blast from the past? Join the crew of the Argo II on their most dangerous, heartbreaking, thrilling adventure yet!

When the Golden Net is stolen, four demigod offspring are sent to retrieve it. Luke, the child of Percy and Annabeth; Carlos, the child of Frank and Hazel; Katie, the child of Jason and Piper; and Alex, the child of Leo and Calypso. Follow their adventures as they prepare for the third Titan war.