Five years after their divorce, Song Xingyao has become Hong Kong City's top auctioneer, concealing her face behind a veil. Then, one night, her ex-husband, Lou Xiao, pushes open her door. "Long time no see, Song Xingyao." She thinks it's just an unexpected reunion, until three adorable children rush into his arms one after another. Only then does she realize that some secrets cannot stay hidden, and some people cannot be escaped. As every lie is torn apart and the truth lies stained with blood, he pleads with her in his final moments: "Xingyao, this time, don't leave again."