The crew of a passing yacht spots The Joker hanging on to a piece of driftwood in the ocean. They take him ashore not knowing his identity, he then makes his way up to his hideout which is an Old gloomy mansion nicknamed The Haunted. The Joker then celebrates as Batman thinks he's dead which gives him an advantage. Meanwhile elsewhere the Dynamic duo attempts to stop a group of acrobatic thieves they catch stealing from a house. While they are in the progress of beating them a huge man with incredible strength comes out from the car parked nearby and beats the two crime fighters easily. Later at Wayne Manor, Bruce Wayne is sent an invitation to a ball which he decides to attend. After a while the host of the party, Darcey announces that a miniature circus will be performing in the ball room.

Three days later and Dick Grayson reports that The Darceys , who hosted the party have been robbed. Wayne estimates that it makes 6 rich families robbed this month. Bruce investigates and announces to Dick at the end of the day, that every family that has been robbed has had the circus play at their house. They then remember the robbers who they attempted to stop days ago who were acrobatic and the strong man that defeated them. Dick reads in the newspaper that the Morganbilts are having the miniature circus perform for them, Bruce decides that they'll intervene as Batman and Robin! The night of the performance the Joker and his Crime Circus are getting prepared at the Haunted House, Joker introduces a new member to the rest of the group telling them that he is the surprise guest of the night.

Once the performance starts , Joker steps forward stating that he has a surprise for the crowd but before he can finish The Dynamic Duo leap into the room through the window. Robin beats all of the acrobats, while Batman defeats the strong man. At this time the Joker escapes to the Haunted House with Batman and Robin following behind. They make it into the mansion only to mislead by several different traps, Batman is eventually trapped in a room alone with illusions of the Joker's face and it laughing. Batman finds out it's a recording and stops it. Gas then starts to come into the room, Batman mixes some vials from his utility belt into one another and throws the pellet at the wall making it explode. He finds the Joker about to push Robin down a trap door that goes all the way down to beneath the mansion. The two fight and the Joker knocks Batman down only to be sent down the trap door himself as he tries to lung forward at Batman who sent him sailing over his head with his feet.

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A band of pirates hijacks a yacht of wealthy people and takes them hostage in their own pirate ship. Batman and Robin climb aboard and briefly fight, before being thrown overboard. While the pirates think they are dead, the Dynamic Duo sneak back onto the ship and battle again. Blackbeard is eventually defeated and revealed to be a gangster named Thatch in disguise. Satisfied with their work, Batman and Robin free the people, take Thatch in, and return home.

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