It's summertime in 1980's England. Will Proudfoot is brought up in a religious environment where music and TV are forbidden. Lee Carter is the school bully and maker of strange home movies. When Lee exposes Will to a pirated copy of the first Rambo film First Blood, it blows Will's mind. Against his family's orders, Will's imaginative little brain begins to flower in the world of filmmaking. Will and Lee become popular at school through their films, but when a French exchange student, Didier Revol, arrives on the scene, their unique friendship and precious film are pushed to breaking point.