Wen Ning is unwilling to accept an arranged marriage and travels alone to another city to explore her family's buried past. She reaches an agreement with Xie Zhiyu to pretend to be a couple to cope with disturbances from all sides. In public, the two cooperate with tacit understanding, while privately testing each other. The aloof childhood friend Song Qingbai and the stubborn He Xi successively intervene in their lives, while good friend Chen Yuejiao and bodyguard A Zhong frequently spark amusing misadventures. Xie Zhiyu carries an unforgettable past, and Wen Ning is perceptive and has her own sharp edges. Two people with wounded hearts slowly open up amidst conflicts and the peaceful island daily life, gradually transforming from a mutually beneficial agreement into leaning on and healing one another.