春节前夕,建筑公司项目经理孙水林(霍青 饰)为给辛苦了一年的农民工兄弟发工资,带着现金,顶看风雪驱车往工地赶,不料途中遭遇车祸,车上一家四口全部罹难。弟弟东林(赵毅 饰)得知哥哥一家遇难,心中万分悲痛,从事故现场回来后,他依照哥哥生前秉承“今生不欠来生债,新年不欠旧年薪”的做人原则,决定替兄完成未竟的许诺。他不顾别人劝阻,四处筹款,准备在除夕之前把工资送到工友们手中。这时,一直被瞒着的孙水林父母从电视新闻中得知了儿子一家遇难的消息,两位老人伤心欲绝。由于在车祸中遗失了帐本,东林让工友们凭良心报帐,信义之举感动了苍天...... 本片根据2009年发生在武汉的真人真事改编。Spring Festival eve, sun Shuilin of manager of construction company project (Huo Qing is acted the role of) send salary to the migrant worker brother that gave hard a year, taking cash, drive toward construction site to see snow on the top, encounter traffic accident unexpectedly on the way, 4 on the car all die. Younger brother Donglin (Zhao Yi is acted the role of) be informed elder brother one is killed, extremely sad in the heart, after coming back from accident spot, he is received according to elder brother before one's death \"this life does not owe to live debt, New Year does not owe old annual salary\" person principle, the decision completes the promise that did not unexpectedly for elder brother. In spite of attempts to dissuade him, he raised money to send his wages to his workmates before New Year's Eve. At this time, has been hidden from the Sun Shuilin parents from the TV news that a son was killed in the news, two old people heartbroken. Due to the loss of the account book in the car accident, Donglin let the workers with conscience account, the move of faith touched the sky...... The film is based on a real story that happened in Wuhan in 2009.