In this retelling of Rick Riordans book, "The Sea of Monsters", Percy Jackson, accompanied by his friends Annabeth Chase, Clarisse La Rue and Tyson, his half brother, goes on a journey to the Sea of Monsters to retrieve the Golden Fleece and save Camp Half-Blood.

The rapture has happened and Lindsey (Anna Kendrick), her boyfriend Ben (John Francis Daley), and their families have been left behind, doomed to endure torture on Earth. A former politician named Earl Gundy (Craig Robinson), now known as The Beast, is the Anti-Christ. But when The Beast decides he wants to take Lindsey as his wife, Lindsey and Ben most come up with a plan to defeat the Anti-Christ.