The war has just ended, but Leo still has a promise to keep; to come back to Calypso. Will it be his final breath, or can Calypso save him?

Leo finishes fixing up the Argo II for Valentine's day, and takes a little walk, bumping into the other lonely soul on the ship. Valdangelo/Leco

After the events of Rome, Jason Grace, Piper McLean, Leo Valdez, Nico di Angelo, Hazel Levesque, Frank Zhang, and Coach Hedge, just want to get to Greece without any disruptions. Of course, being demigods, you can't do anything without a disruption. But this time, it's not the evil monsters that stop them. It's something much worse; the police.