Before the wedding, 35-year-old Su Wanting discovered that her fiancé was walking with her best friend, and then learned that she had been involved in a scam. In order to get back the money she had been defrauded, she entered the scam personally, and cooperated with her ex-boyfriend, an economic investigator, to find the truth. In the end, her stepfather and fiancé were punished by law, and she got back together with her ex-boyfriend, an economic investigator.