Lan Xiaochuan and Yun Fei reunite years after their breakup, only to learn that their parents are secretly in a relationship. As family tensions and conflicts over aviation model preservation grow, the former couple must navigate awkward emotions and unresolved feelings.

Heir Chen Zhuo goes undercover as a security guard at Xu Meiying's company to uncover the truth behind his mother's death, only to unexpectedly become her live-in son-in-law. Meanwhile, his ambitious twin brother, Chen Yue, impersonates him to secure the family inheritance. Under mounting family pressure, he faces challenges that lead him to confront deception and seek a fresh start.