故(gù )事围绕两个社会(huì )底层小人物展(zhǎn )开，马天一（黄才(cái )伦 饰）为了向爱人石一枝（冯秦(qín )川 饰）证明自(zì )己(jǐ )能给她幸(xìng )福，带着好兄弟小胖（胡铂 饰）想(xiǎng )要创业挣大钱，开(kāi )始了一场环游世界(jiè )之旅，不料从此(cǐ )踏上(shàng )一段奇葩冒险的爆笑之