响（广濑铃 饰）答应帮助好友千草递情书给关矢老师（中村伦也 饰），哪知道在误打误撞之中将情书放在了伊藤老师（生田斗真 饰）的鞋柜里。伊藤老师是学校里出了名的冷面杀手，平日里看起来毫无感情，但响却在偶然之中发现了他热情善良的一面。实际上，伊藤也曾有过一段刻骨铭心的爱恋，但这段恋情结束的过于惨烈，让他对爱情彻底失去了信心。响渐渐喜欢上了伊藤老师，她用自己的温柔和天真融化了伊藤老师内心里的坚冰，两人终于互诉衷肠开始了交往。然而，伊藤老师冷冰冰的态度还是让响常常处于不安之中，不仅如此，伊藤老师曾经的恋人美崎来到了响所在的学校成为了实习老师。

A once promising baseball star is constantly hunted by two hitmen when a young boy asks him to sell his baseball jacket. A high school student acquires a sleep control device to help him with his exams, and ends up getting more acquainted with the seller in the process. A prison guard buys a guitar and plays one last song with a rock band after he finds out that his number has been called up… to be an executioner. An English tutor and amateur journalist investigating a murder case makes an offer to gain information on the involvement of … a once promising baseball star.GOOD DEAL is a woven tapestry of the interconnected lives of people striving through the day-to-day of contemporary Korean society. Quite a spectrum of themes are covered: romance, crime, sports, famly, work, and even Russian literature! As each of its characters seek to make a “deal” with another person to help them stay ahead or even stay alive, they find their interactions much more involved and complex than they first thought. Written and directed by Cho Kyuong-ho, the film mixes wickedly dark humor and sincere sentimentality through its interwoven yet still seamlessly linear style of storytelling.

一场赛狗比赛结束，观众席上有人哭有人笑。紧接着，最后一场也是最为关键的一场比赛来临，工作人员在每条参加比赛的狗的头上挂上了一条鱼，好让它们奋力向前跑，不想哨声吹响后它们原地打起转转，在观众纳闷的高声质问中，该工作人员劝大家看清赌博的真相，讲如此的人生同赛场上拼命奔跑的狗并无本质区别。突然，灯光全熄，在观众要他下台的时候，他的同事也在广播中劝大家不要听他胡说八道，并开始对最后一场比赛讲解，完全看不见比赛进况的观众一边咒骂，一边紧紧竖起耳朵，劝大家远离赌博回归现实的工作人员早被乱石击毙。灯大亮，观众发现赛场上只有倒下的那名工作人员，并无竞相追逐的狗，而此时的广播里，对赛况的讲解正酣。

云南边陲小镇南德的缉毒女警安心（赵薇）的生命中一共出现过4个男人，铁军（陈建斌）、毛杰（谢霆锋）、杨瑞（柳云龙）先后令她的心泛起过涟漪，而作为长辈的潘队（孙海英），则始终当她是孩子，对她的生活照顾有加。在平静的外表下，安心内藏一颗汹涌澎湃的心，她渴望激情却要考虑理智与责任，于是逐渐身陷进退维谷，有意无意之间令自己和铁军、毛杰等人的命运变得无法掌控。——安心的多重身份（警察、妻子、母亲、情人等）令她复杂，而这种复杂同她所追求的简单作对比时折射出“宿命”意味。