Pirates on a Raft

Pirate captain Redbeard is with a fellow pirate on a raft. They have got improvised oars and they have got a chest on the raft. What has happened? Why are they on the raft? Where is the Black Seas Barracuda and the rest of its crew? Did a mutiny take place? What will happen to Captain Redbeard and his fellow pirate? Use your imagination and write your ideas and suggestions in the comment section! ;-)