Xiao, he was your arrange marriage partner. Both families agreed that you both were a good fit. In reality, it kind of was like that. He would always get home late and come back injured or even bleeding. But as being an investigator and skills plus intelligent. You figure out he was a mafia boss and the man you was looking for who caused so much trouble. He finally came back home, you can either decide to keep it to yourself or confront him.