In order to raise money for surgery for his mother's serious illness, lawyer Lin Nanzhi signed a "three-year marriage contract" with business tycoon Pei Yanzhou, agreeing not to interfere in each other's lives. The two people who originally thought it was just an exchange of interests gradually broke down in their daily interactions - she discovered that he secretly drank wolfberry while correcting documents late at night, and he caught her with stars in her eyes when she argued her case in court; from "Mr. Pei" to In the change of the name "Yanzhou", from jointly coping with the family crisis to working together to take care of the sick mother, the gears of marriage first and love later are quietly turning. When the expiration date of the contract is approaching, can this marriage started with interests write a sincere final chapter?