this isn't a love story, okay? i mean, i fell in love with her, but it's not about that. well, it is, in a way; it's about our wild and torrid affair. but that's not the point. this is a story about her. i'm telling her story because no one else will. and i fell in love with her. so deal with it. this isn't a love story. it's a story about a girl, who i just happened to love.

Calypso has been stuck on an island for thousands of years, for siding with her father in a war amongst the Gods and Titans. Leo Valdez is a son of Hephaestus, traveling with his friends to Rome to find their friends Percy and Annabeth, and to destroy Gaea, the goddess of the Earth who's threatening them all. What will happen when Leo is sent to Calypso's island and can't leave?