十五年前的车祸中，懦弱的老大任由肇事车辆逃逸，致使弟弟残疾。老大偶然发现盗油头目是当年的肇事司机时，一场意外将他卷入盗油团伙的纠纷中，命运坠入谷底，他勇敢面对，完成了自我救赎并成为打击盗油的英雄。

十五年前的一場車禍中，老大（喬杉 飾）因一時懦弱，任由肇事車輛逃逸，致使弟弟（劉奕鐵 飾）落下殘疾。十五年後，老大偶然發現青梅竹馬金雁（馬麗 飾）和她的丈夫一毛一（趙龍豪 飾）以及貨車司機四梁子（包貝爾 飾）都與當年的肇事者有關，而肇事者背後，竟然還藏著一個“油耗子”黑幫團伙……面對棘手的情況，老大決定孤身復仇！一場“一方有難，八方添亂”的笑鬧混戰就此開啟！

Fifteen years ago, in a car accident, the eldest brother, due to momentary cowardice, allowed the hit vehicle to escape, causing his younger brotherto become disabled. Fifteen years later, the boss accidentally discovers that his childhood sweetheart Jin Yan, her husband Yimao Yi, and the truck driver Si Liangziare all related to the perpetrator of that year, and behind the perpetrator, there is actually a "fuel guzi" gang... Faced with a tricky situation, the boss decides to seek revenge alone! A laughing and brawl of 'one side in difficulty, eight sides adding chaos' has begun!