Forty-five-year-old Su Yunlan independently runs a teahouse, but her ex-husband of ten years of divorce brings his young partner over to show off and forces her to attend an anniversary banquet. Helplessly, she hires the calm and composed Sheng Huaixu to pose as her boyfriend. At the banquet, Sheng Huaixu publicly exposes her ex-husband's inferior wine and overpriced jewelry with professional appreciation, making him taste his own medicine. Afterwards, the teahouse suddenly faces malicious forced eviction, and Sheng Huaixu secretly operates behind the scenes, resolving each crisis one by one. Until Su Yunlan accidentally discovers that this seemingly down-and-out temporary partner is actually the chairman ruling over a top conglomerate. After their identities are exposed, the two experience honesty and misunderstanding, ultimately firmly choosing each other and hand in hand starting a brand new life.