The story takes place in Kyushu, where a clever thief (played by Wang Dalu), a diligent constable (played by Zhang Tianai) and a simple prince (played by Sheng Guansen) meet by chance. The three have different purposes and do not trust each other, but they have to embark on a strange journey together. During the journey, the three find friendship and love from each other, and finally prevent a conspiracy to destroy the world.