How to become an Undercover Pirate... 1) Have a pirate captain as your ancient ancestor 2) Find a message in a bottle and a magic gold doubloon 3) Get whisked back in time to join a pirate crew 4) When you get home DON'T TELL ANYONE. Remember - you're undercover! Captain Blade's old enemy, Blackheart, is out for revenge. With his ruthless crew he's determined to steal the Sea Wolf. Can Sam and the pirates outwit their deadly enemy?