Xie Zhi and Pei Xianyi were married for three years before amicably divorcing as agreed. They lived together politely and respectfully for three years, neither owing the other anything. Unexpectedly, not long after, Xie Zhi received a call on set: "Your ex-husband’s brain was injured—he’s lost his wits and won’t let anyone near him except you!" Compelled by circumstances, Xie Zhi moved back in, taking care of his addled ex out of past affection. But as time passed, he began uncovering little secrets about his former spouse. Pei’s philandering ways? Fake. Pei’s maturity? Also fake. The only thing real was his desire to marry Xie Zhi back then. "Xie Zhi," the supposedly witless ex-husband trapped him in an embrace, "let’s remarry."