Captain David planned to steal treasure from Blackbeard, the meanest pirate in the world, who had put the treasure on display at a museum. When Captain David tried to take the treasure, a fight broke out where Captain David was punched and fainted but later woke up determined to continue fighting. Captain David used special powers like "fireballs" and was eventually able to defeat Blackbeard with a secret bomb, allowing Captain David to live happily ever after with the treasure.