Dippers and Mabels parents were killed, and the kids are wanted as their murder. In order to escape, they hide in a big wooden box. A box which is load on a ship minutes later. But not on a regular transport ship. Without noticing the twins became blind passagiers on a pirate ship. The ship is called "WEIRDAMAGEDDON" and it's captain is no one else than the one who is called the pirate king. Bill Cipher. But when the kids told him who they are and to who they want (their Gronkel Stan and Ford Pines) he agrees to bring them to their family. What kind of adventures do they have to solve and is Bill really this trustworthy?