影片讲述了落魄的医疗推销员克里斯•加纳（威尔•史密斯饰），妻子不堪重负选择离开，独自带着小儿子相依为命。他渴望幸福，渴望让儿子过上好日子，虽然生活很艰辛，一路负重前行，受尽嘲讽，却依旧含泪微笑去面对现实，最终成为合格股票经纪人。
We hold these truths to be self-evident， that all men are created equal， that they are endowed by their Creator with certain unalienable rights， that they are among these are life， liberty and the pursuit of happiness.
这是克里斯和小克，父子俩，走在1981年的旧金山街头小克就读华人街一家便宜的托儿所指出门口英文拼写错误，回答说，我不会英文，你找别人吧我缺乏父爱 我活到28岁时才第一次见到我父亲 所以我要给小克很多爱这是便携式骨密度扫描仪，我靠推销它来维持生计，每个月至少得卖出两台才行克里斯，这
最近听说由威尔·史密斯父子出演的《当幸福来敲门》打着“影院开门、幸福敲门”的旗号在国内重映了。这个标题来自美国开国元勋托马斯·杰斐逊在《独立宣言》前言中提到的天赋人权:“我们认为下面这些真理是不证自明的:人人生而平等，造物主赋予他们若干不可剥夺的权利，其中包括生命权、自由权和追求幸福的权利。
I was fortunate to see this movie in a screening. I really enjoyed it， and felt that it lived up to the teary and heartwarming trailer. While the movie has an uplifting “go for your dreams” message， the deepest theme is that of family.
