After 300,000 people are killed during Bai Qi's attack on Ying, shamaness Chu Li attempts to reverse time but is killed by Song Ziyuan. Both are sent back 49 days and must work together to prevent the tragedy while uncovering their connection from a past life.

Online celebrity Yi Han accidentally "blackmails" the manicurist girl Pei Youyou, whose mind is full of buying a house. The two quite different people have to sign a marriage contract under the butterfly effect of a long-planned sneak shot incident. In the meanwhile, they gradually attract each other from interfering with each other. Unexpectedly, their contract leaks out, and a long-planned conspiracy is slowly uncovered. Yi Han's career encounters an unprecedented crisis. What is uncovered at the same time is Yi Han's sincerity to Pei Youyou.

Wang Xiaoan and He Feng, once first loves, reunite years after a breakup due to a misunderstanding, both facing career challenges. Their reconnection sparks playful conflicts and a chance to rekindle their romance. As new relationships and complications unfold, their journey becomes one of second chances and self-discovery.