不为人知的利益纠葛与私情；苏睿的债主宋虎暴力讨债，这些人都有着作案嫌疑。女警官陈暮带领办案人员通过不懈的侦讯、探访、技术分析，使案情范围逐渐缩小。赌博成性并伴有家暴行为的苏睿，为达到杀妻骗保，与假富婆于红结婚的目的，多次使用各种手段欲将李晓楠置于死地，深感同情并力争为李晓楠澄清嫌疑的昔日同学⼀记者王诚决定协助警方调查此案。最终案件的焦点转移到某房地产公司的老板梁贺禹身上。梁贺禹酒驾发生事故后，为逃避责任，将同车已死去的妻子李暮楠搬至驾驶位，制造成假相。行车记录仪记录下这⼀切，与梁贺禹同在⼀公司的苏睿盗走了记录仪，以此不断敲诈梁贺禹，不堪其扰的梁贺禹最终将苏睿杀害并抛尸江中。在⼀次企业发布会上，王诚在现场揭露了梁贺禹的行为。为报复灭口，梁贺禹绑架了王诚的妹妹引王诚上勾，欲将王诚与李晓楠杀害，危急时刻警方赶到，将梁贺禹抓获。案件破获了，故事中的人们反思但也在憧憬着美好的生活。

As a common and humble woman, LiXiaonan wants nothing but a stable life. She toils and moils day and night tosav emoney to buy her own apartment, going to work at day time and selling fried noodles on night market at  night. But her husband SuRui, a perfect man in the eyes of the others, is actually heavily in debtand secretly plans to kill her to benefit from the insurance. Unexpectedly, on the day of the murder, SuRui is the one who actuallydied. According to the investigation conducted by the police, YuHong,SuRui’s secret lover,Hu,the debt collector, and LiXiaonan have all beent othe scene, but all the clues indicate that LiXiaonan Is the murderer. In this situation, HuangHuilan, the mother of LiXiaonan, complicates the case so as to protect her daughter. Al though the truth is hidden under layers of myths, LiXiaonan cooperates with the police and proves her innocence in the end. Besides, she also successfully protected her family and the one she loves, pulling her life back onto the right track.    
What is displayed along the main story line is the struggle among the three generations of the heroin as well as her lovel ife. Although her grandma, her mother and herself, as images representing three different generations, hold quite different opinions in life, they still choose to support and help each other under family ties. The show portrays, with delicate techniques, the great ties among family members and the precious love between lovers in difficult situations. What can be observed under a warm and positive main theme is the growth of all the characters and the mutual salvation among them, with each one becoming suspected and innocent in turns.And WangCheng who used to have a romantic relationship with LiXiaonan.