A listless young man, upon learning he is ill, leaves his job, girlfriend and city behind, and ventures alone into the British Columbia interior, bringing his fears and anxieties with him.
Natty Gann (played by Meredith Salenger) is a twelve year old Depression era girl whose single-parent father leaves her behind in Chicago while he goes to Washington State to look for work in the timber industry. Natty runs away from the guardian she was left with to follow Dad. She befriends and is befriended by a wolf that has been abused in dog fights, hops a freight train west, and is presumed dead when her wallet is found after the train crashes. Dad gets bitter and endangers himself in his new job. Meanwhile Natty has a series of adventures and mis- adventures in various farmhouses, police stations, hobo camps, reform schools, and boxcars.
一晃眼二十年过去。远赴他乡的雷登（伊万·麦克格雷格 Ewan McGregor 饰）再度踏上了爱丁堡的故土。哪知道刚一回来，就撞上了走投无路陷入绝望之中的屎霸（艾文·布莱纳 Ewen Bremner 饰）试图自杀，原来，屎霸不仅婚姻失败还再度染上了毒瘾。在雷登的鼓励下，屎霸决定用书写来治愈内心的伤痕。 之后，雷登找到了曾经的挚友病孩（约翰·李·米勒 Jonny Lee Miller 饰），病孩因为曾经的龃龉痛揍了雷登，之后，一个复仇的计划在他心中慢慢成型。在病孩的邀请下，雷登决定和病孩合伙开一家妓院，之后，擅长设计的屎霸亦加入了进来。那边厢，锒铛入狱的贝格比（罗伯特·卡莱尔 Robert Carlyle 饰）越狱成功，在了解了当年事件的真相后，他亦决定找到雷顿向他寻仇。
在电视播音员被视为权威的昔日年代里，朗•伯甘蒂（威尔•法瑞尔 Will Ferrell 饰）是屡屡获奖的圣迭戈王牌播音员，4频道在他的新闻小组的带领下笑傲同行，组内的三个怪家伙只有在朗的身边才能大展拳脚。工作之外，风流成性的朗自然也不会放弃利用知名度勾女，然而一个让他吃瘪的女郎维罗妮卡（克里斯蒂娜•艾伯盖特 Christina Applegate 饰）居然还是新闻部的新同事，众人先后对维罗妮卡展开攻势结果全军覆没，最后朗用狂野的风度征服了冰美人，维罗妮卡与朗的期望不同，这个有强烈事业心的女人开始在工作中崭露头角并挑战朗的地位，一次车祸后，朗的生活迅速变得混乱起来…… 影片申明“本片根据真实故事改编”。
