In a small fishing village in northern Kanto, Nami stands at the edge of the dock, waiting for her husband’s boat to return. While waiting, Nami lives with her father-in-law, Gengoro, who uses her nightly as he pleases. One day, a man named Kaneda washes up at the port, in hiding after committing a heinous sex crime, and begins to work for a fisherman named Kunio. While Kaneda is doing his best to reform his life, all hell breaks loose when he crosses paths with Nami, and his natural urges kick back in.

一名刚毕业的直男慕名加入位于山中的“手枪特训营”，集结一群“手枪达人”，他们尝试各种打手枪的终极密技。但这名直男有天遭到某个同志成员强暴，另他对于打手枪的信念开始动摇。