Li Cheng, an IT employee, discovers during the preparations for his wedding that his fiancée and her group of close female friends repeatedly demand money under the pretexts of family ties and saving face, while concealing their debts. He stands by his principles, preserves evidence, and protects his legal rights. When fraudsters impersonate others to collect partnership payments, Li Cheng and his friends promptly report the crime and publicly clarify the truth, helping recover the merchants' money. In the end, the offenders are punished by law, and Li Cheng leaves behind relationships that have drained him and returns to his work and life.