The skeleton about the film named changing lanes : a lawyer was anxious to the court , a father hurried to restore the warmth of his family , the two people had a crash on the road , and one of the lawyer ' s important documents fell on the hands of the father , then both of them fell into the game of attacking each other because of it . he made him insolvent , without providing a loan to buy a house for his wife and son , he eventually lost them . and he almost t let him lose the life , ultimately , justice wins falsity and fraud 《变线人生》故事梗概：一个律师急着去法庭，一个父亲急着去挽回家庭温暖，两人在路上相撞了，然后律师把一个重要的文件落在那个父亲手上，再然后两人因为这个文件陷入了你坑害我我打击你的游戏，他让他破产不能贷款买房子并最终失去妻子儿子，他让他几乎丧命，最终，正义战胜了虚伪欺诈。
