When Jaycen "Two Js" Jennings, a washed-up former pro football star hits rock bottom, he is sentenced to community service coaching an unruly pee-wee football team in his hometown, he just may turn his life around and reclaim his love of the game.
在某个普通的郊外住宅区青草丛内，生活着一群普普通通的菜园蜗牛。这群慢吞吞的小家伙安于现状，朝九晚五，躲避着人类和乌鸦等强大天敌的袭击，享受着来自大自然的馈赠。但是，在它们中间却有一个异想天开的家伙，它叫特伯（瑞恩·雷诺兹 Ryan Reynolds 配音），极度崇拜方程 式赛车手盖·盖尼耶，梦想能够体验风驰电掣所带来的无上快感。在一次意外事件过后，特伯的身体悄悄发生了变化，它拥有梦寐以求的极速，俨然成为一辆蜗牛赛车，并且盲打误撞被带入人类社会。从此以后，印第安纳波利斯的500赛车赛不再是梦想，特伯注定在人类世界书写属于刺激的速度传奇……
