Roppeita is big in size, clumsy and full of energy. When his grandfather orders him to move out to Tokyo to save a sinking milk delivery business a distant relative of his runs, he encounters the most strangest of clientele.
During the Tenpo era, the peasants of the Kanto region were in dire straits due to successive natural disasters. Maebashi's boss, Shiroganeya Ginjiro, allied with the magistrate Yamaoka Jintayu, and, using his baton as a shield, he committed a series of evil acts, earning the peasants' animosity....