A passionate 26-year old BMX dirt jumper, Phineas Cooper, gets the chance of a lifetime to compete at the regional level to qualify for nationals. But his pursuit of triumph sours with a crash that knocks him out of commission. Determined to get back on track for the next major competition, he undergoes physical therapy for a couple months. In the meantime, he is ordered by court to complete community service for many unpaid citations for reckless street riding. He is forced to volunteer at a local youth center for at-risk teenage boys, and meets Jordin Riley, a beautiful humanitarian. To impress her, Phin decides to sign up for mentorship and handpicks one of the toughest boys named Blue Espinosa, a 14-year old whose mother is a heroin addict, and whose father was gunned down. As Phin takes Blue under his wings, he and his friends lead him on adventures of riding dirt trails, big jumps and cityscapes..
波士頓南部的馬薩塞州黑社會勢力極猖獗，其中最大的伙要數(shù)弗蘭克（杰?尼科爾森 Jack Nicholson 飾）執(zhí)掌的愛爾蘭黑幫。警方為了剿滅他們，決派警校畢業(yè)生比利萊昂納多?迪卡普奧 L 波士頓南部的馬薩諸塞黑社會勢力極為猖，其中最大的團(tuán)伙數(shù)弗蘭克（杰克?科爾森 Jack Nicholson 飾）執(zhí)掌的愛爾蘭黑幫。警方為了剿滅他們，決定派校畢業(yè)生比利（萊納多?迪卡普里奧 Leonardo DiCaprio 飾）潛伏其中做臥。警官的冷嘲熱諷，讓曾有過底層活的比利甚為不爽他曾希望做堂堂正的警察，但是在強(qiáng)之下也只得服從命，在經(jīng)過燒殺搶掠洗禮后，他贏得了蘭克的信任。與此同時，同是畢業(yè)的科林（馬特?達(dá) Matt Damon飾）因為緝私有功，獲得了上級的獎，并且正在跟心女友籌備婚事。而實際上，他是弗克安插到警隊的一棋子，兩人勾結(jié)牟私利。警匪先后發(fā)現(xiàn)存在內(nèi)鬼，一貓鼠博弈由此展開… 本片獲得第79屆奧斯卡金像獎最佳影片、馬丁梁書科塞斯摘得最佳導(dǎo)獎。
