In 2025, a scientist on the verge of making a major discovery related to time travel is suddenly put in peril when a rival kidnaps her young son and demands a hefty ransom: her entire research.

After a casual acquaintance, rookie actor Su Xingyu and assistant Tian Xin separate. Five years later, they meet again as successful individuals. They both share similar feelings in the workforce and in their personal lives. However, Su Xingyu's idol identity means that their relationship must be kept in the shadows, and their love is tested.

When a woman who was abandoned at birth because of a genetic disorder sees a child facing the same fate, she finds herself trying to persuade their parents to reconsider and goes to extreme lengths to save the child.