 Annabeth, Percy, and Tyson join Clarisse's quest and journey to the Bermuda Triangle (also known as Sea of Monsters).In order to enter the Sea of Monsters, the ship tries to pass between Charybdis and Scylla, who attack and destroy it.It appears that Tyson and Clarisse are killed in action, so Percy and Annabeth board a life raft and head to the nearest island.