Secret Night

Saleswoman Su Xiayu, trapped in crises across her career, family, and love life, reluctantly agrees to manager's request to use her charm to approach client Zhou Zecheng, aiming to close the landmark building deal and save her critically ill mother. Zhou, unhappy in his marriage, develops feelings for Su, unaware that both are entangled in his wife Qian Fang's divorce scheme. Upon discovering the truth, Su teams up with Zhou to counter the plot, ultimately exposing the betrayal, finalizing the deal, and helping her mother escape danger. Afterward, their budding romance finds an open-ended conclusion amidst honesty and farewell.