Watch Secrets of the Pirate's Inn for Free: How to Stream the Movie Online at 123Movies. . A gang of kids helps a sea captain search for a pirate’s treasure that’s rumored to be hidden somewhere in the old dilapidated inn the sea captain just inherited from his dead brother. Along the way, they unravel a series of clues which lead to a variety of hidden passages and trap doors. But they are not alone in their quest for Jean Lafitte’s pirate goodies!