Peaceful Chuang Tang Town, a fantastic circus has staged. Unexpectedly, a Rabbit fall from the sky but hit a place. The rabbit is Chuang Tang rabbit open. Open the thought and the circus clown coral explain himself not to destroy, but to be captured unexpectedly clown rabbit brother as punishment. In this critical juncture, open enemy knife dog appeared in time, save the rabbit brother, a farce this ending. The kitchen knife and clown in coral fight vaguely discovered her secret, in order to investigate, chopper decided to further the circus. In the circus underground, a crazy conspiracy was gradually opened the kitchen knife dog, on the other hand, open and friends are in the appreciation of a circus, did not find crazy crisis is coming. Crazy circus hidden exactly what kind of crazy conspiracy? The kitchen knife can dogs will be news? Open and his friends how to usher in a frantic battle?