Three Idiots make a living in Shanghai as bodyguards. They have good skills but every time their employers were killed. One day, Fang Ren, boss of The Pickax Gang, hired and sent them to protect his enemy, boss of The Ax Gang. The housekeeper of Ax Gang assigned two sisters to learn skills from them, then to kill Fang Ren. At last, the three brothers face the final choices of love and career...
