Neurosurgeon Liu Ziyi faces heartbreak when her fiancé is unexpectedly admitted to her hospital, prompting her to end their relationship gracefully. At the same time, cardiologist Qin Wenbin, known for his optimistic and easygoing nature, faces marital struggles despite his thriving career, leaving him at a crossroads in life.

The story of Luo Qiqi, an ordinary girl in the 1990s, is about her journey of growth, love, and friendship.