Synopsis: The new action film "上海灘之槍槍爆頭" is about a comedy gangster story of three idiots who live 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. When they entered the Ax Gang, the housekeeper assigned two sisters to learn the skills from them. At last, the three brothers fell in love with the sisters. And at the same time they found the sisters had the mission to kill their employer, Fang Ren....
