During a sweltering summer day on a small island, messenger Qi finds the body of the team commander. Qi finds a grotesque style graffiti book in the commander's pant pocket. Afterwards, all the crazy situations depicted in the graffiti book invade Qi's life day by day. The death of the commander is closely related to another soldier, Yi San, who runs away with his gun and disappears. The dead commander's girlfriend Kang Hua immediately falls into the hands of the new commander...