Cold-blooded lawyer Jiang Chenye and designer Wen Tong got married due to family ties and agreed to keep their marriage secret for three years without interfering with each other. Wen Wen accidentally discovered the lipstick in Jiang Chenye's pocket, misunderstood him for cheating on her, and became estranged. At the same time, she was sued by a client due to her work, and the case was taken over by Jiang Chenye's law firm, and the secret marriage relationship was almost exposed. At a family gathering, Jiang Chenye stood up to defend Wen Wen and resisted family pressure, and the relationship between the two gradually heated up. After experiencing business trip turmoil, colleagues' provocations and past grudges, Jiang Chenye finally broke through his cold shell, admitted his affection, redefined his marriage with Wen Wen, and moved towards true love.