In his youth, Lu Heng lived with the Song family, where he and Song Ning grew up together as childhood sweethearts. Then, one day, they were separated, and six long years passed through all four seasons. When they finally reunite in the capital, Lu Heng has risen to a prestigious position, clad in crimson robes, while Song Ning has become a physician who heals the sick. Neither has forgotten the affection they shared in those younger days, yet the misunderstandings of the past remain difficult to put aside. How will the top scholar and the female physician overcome gossip and old grievances to rekindle the bond they formed in their youth? Yet when I arrive, spring is nowhere to be found; yet when I leave, spring fills the city.