对高中生凯利(西亚拉毕福)而言,人生就像战场,17年来他唯一的兴趣就是扮演二次世界大战的英勇将士们,直到遇见了个性南辕北辙的伙伴伯特(艾登韩森),他的生命出现了重大转折,包括了出任务对付校园恶霸、与食古不化的家人抗争到底、同时还煞到了伯特迷人的大姐A young war reenactor makes a friend on the battlefield who helps him use strategy to take on his high school enemy. Driven by newfound confidence, he seduces the friend's fetching older sister and risks the friendship. Reality intervenes when the illness of his ex-addict father forces the anger his irony masks to the surface and he has to decide if staying in a fantasy world is worth the consequences.