Lin Hao: Former captain of the special service squadron of the city fire brigade, now a consultant for a small security company.
Su Yu: Architectural designer, independent and talented.
Five years ago, lovers who broke up due to the gap between ideals and reality reunited unexpectedly after the male protagonist Lin Hao retired due to injury. The heroine Su Yu tries to untie the knot of the past and start over, but Lin Hao keeps escaping due to deeper trauma and guilt. After experiencing a series of pulls, conflicts and a new crisis, the two finally faced their hearts, were honest with each other, and finally joined hands towards a common future.
