It all begins when Mayor Goodway is tending his tulips at City Hall and states it is a perfect day to relax. Until Harold Humdinger begins to use his supersonic speakers to emit music causing everyone to dance. Harold Humdinger is not affected due to the soundproof glass around him. Harold leads them to Foggy Bottom with Cap'n Turbot, Mr. Porter, Katie and Alex in tow. Skye then relays the situation to Ryder, Rocky and Chase. Ryder deducted that the meteor shard is used it to power up his speakers. Chase and Rocky charges up and then the three heroes zooms to stop Harold.
The three heroes managed to reach up to Harold. Harold tells Ryder, Rocky and Chase to get out of the way. Ryder then commands him to stop making music and let the people go. But Harold amps up the music cause Rocky, Ryder and Chase to dance. Ryder tell Rocky to build the energy headphones so he can't hear the music and use his energy tools to disable the speakers. Rocky did just that and causes Harold to loose the steering and leads the victims to the cliffs. Ryder tell Rocky to pass the headphones to Chase and he will use his super bark to destroy the vehicle and the speakers. Rocky passes his headphones to Chase causing him to hear the music and dance. Chase zooms in to the front use his super bark to destroy the vehicle and the speaker. Harold commented that it was a better plan too. Cap'n Turbot, Mayor Goodway, Mr. Porter, Katie and Alex freeze until they are relieved of their dancing. Mayor Goodway and Cap'n Turbot thanks Ryder, Rocky and Chase for saving them. Ryder tells them just yelp for help. Rubble then arrived and heard about what happened and tried to make some music. Cap'n Turbot, Mayor Goodway, Mr. Porter, Katie and Alex protested and tells him to stop. Ryder said to Rubble that he is a good DJ and they have enough the dancing for today. Rocky remarks that Chickaletta is dancing earning everyone a good laugh.