Zhang Wansen plans to confess his love to Lin Beixing, a girl he has had a crush on for a long time after the college entrance examination, but the sudden concert accident turned everything into an irreversible tragedy. Helpless Zhang Wansen unexpectedly restarted this summer, and returned to Lin Beixing before the tragedy. The secret of restarting summer seems to be not as simple as imagined...
Lui is working towards protecting the ocean, promoting plastic-free life, and taking care of every sea turtle on Lamay Island. But her ex-boyfriend, Hui, crushes the dream they had set up and plans to build a resort in Lamay that would destroy the habitat of sea turtles. Lui works with the village chief, Hao, to defend his homeland but it puts them in danger.