伊万（艾什顿·库奇 Ashton Kutcher 饰）曾经有一个糟糕的童年，因为他行为闯下了大祸，令他童年充满不堪回忆的往事。而事实上，他确实只是依稀记得一点可怕的情景，这些情景一直纠缠着他的正常生活。伊万接受心理学家建议，把琐碎生活记在记事本里，却偶然发现通过记事本回到过去。 这时他才清楚记起，童年时候的自己做了那么多的错事。他幻想着用现在的意识，潜入童年的身体，去弥补种种过失给人们带来的伤害，尤其是希望与当年暗恋的凯西最终走回一起。然而他一次次的跨越时空的更改，只能越来越招致现实世界的不可救药。一切就像蝴蝶效应般，牵一发而动全身。
Far’Hook is a 20-year-old rapper. Following a violent dispute with a rival, he’s forced to leave Paris for a while. His producer, Bilal, suggests that Far’Hook acts as driver for Bilal’s father, Serge, on a tour of French ports, following in the footsteps of the classic painter Joseph Vernet. Despite the age gap and culture clash, an unlikely friendship forms between this talented rapper and a bricklayer from the north of France during a road trip that concludes in Marseille for a final concert, one of reconciliation.
艾利亚斯（麦斯·米科尔森 Mads Mikkelsen 饰）和盖布里尔（大卫·丹席克 David Dencik 饰）虽然是情同手足的兄弟，却有着截然不同的性格。盖布里尔在大学里教书，过着拮据而又孤独的生活，而向来风流不羁的艾利亚斯则流连于女人堆中，自由而又快活。 一天，两兄弟接到了一个意外的电话，得知了父亲去世的消息，在父亲留下的录影带中，两人震惊的发现，他们竟然不是父亲的亲生孩子，而他们真正的父亲，此时此刻正生活在奥克尼郡岛上。于是，艾利亚斯和盖布里尔踏上了前往奥克尼郡岛的旅途，可到了那里之后，他们才发现，岛上的一切，和他们想象中的是那样的不同。
Nick and Nora's hopes for a pleasant afternoon at the local race track are dashed when a jockey is found shot dead in the locker room. Nick's friend Lt. Abrams wants him to help out but Nick is enjoying the good life too much to get involved. However, he is subsequently approached by Major Scully to look into corruption and the role of organized crime in gambling. Others are killed but in the end, Nick gathers all of the suspects into a room and identifies the killer.
