That day is seared into the memory of every human being on the planet: the day the world changed. First came the attack on the Philippines. Within days they spread, as though appearing out of nowhere, striking out at more islands, forging a foothold in the South Pacific. Then came the first attack on U.S. soil - Los Angeles - and the reality became clear: our world was at war once again, but this time with an enemy from beyond our galaxy. Now, months later, the fate of the world hangs in the balance as a mission to strike at a key enemy installation deep in enemy territory goes terribly wrong, and the Marines of the 15th Expeditionary Unit are scattered across the island of New Britain, leaderless, and facing impossible odds. Pacific Theater is the story of those Marines: fresh recruits who journey from their homes across the Pacific to the front lines. It is the story of John Blake, a charming Californian surfer who must find the strength to become a leader, Tracey Gleeson, a physics...

　　美国队长史蒂夫·罗杰斯（克里斯·埃文斯 Chris Evans 饰）带领着全新组建的复仇者联盟，继续维护世界和平。然而，一次执行任务时联盟成员不小心造成大量平民伤亡，从而激发政治压力，政府决定通过一套监管系统来管理和领导复仇者联盟。联盟内部因此分裂为两派：一方由史蒂夫· 罗杰斯领导，他主张维护成员自由，在免受政府干扰的情况下保护世界；另一方则追随托尼·斯塔克（小罗伯特·唐尼 Robert Downey Jr. 饰），他令人意外地决定支持政府的监管和责任制体系。神秘莫测的巴基（塞巴斯蒂安·斯坦 Sebastian Stan 饰）似乎成为内战的关键人物……

　　会计师卡尔文（凯文·哈特 Kevin Hart 饰）在高中时代曾是学校的体育明星，他热心张罗高中同学聚会，于是在Facebook上联系到了老同学鲍勃（道恩·强森 Dwayne Johnson 饰），他没想到这个在高中时常受欺负的老同学现在已经是CIA的职业杀手，而他也万万没想到自己将被卷入制止军事秘密泄露的任务中。

　　尼爾是個生在單親家庭的高中男孩，對科幻動漫英雄凡格情有獨鍾的他，因生性內向，在班上苦無朋友，也得不到家人認同。直到尼爾遇上臭味相投且性格剛烈的茱莉亞，兩人一拍即合！在茱莉亞鼓勵下，尼爾鼓起勇氣投稿知名網站，立即引起網 站版主丹尼斯的注意??，他的出現，大大拓展尼爾的視野，卻也衝擊了兩位高中生的情誼。導演克萊雷佛以清新明快的筆觸，刻劃師生代溝、青少年的迷惘，乃至對性向的探索。電影裡逼真的動漫場景，與劇情互為表裡，充分展現了克萊雷佛的世界觀。