Li Tianye

As a marine biologist, Guan Zixuan, during a research on Brachycephalus salamander, Brachycephalus mutated and escaped. Before that, Guan Zixuan's father also disappeared because of researching the giant salamander. In order to find this mutant giant salamander and find his father, Guan Zixuan decided to set off to the deep sea and go to the deserted island.

To save her gravely ill grandmother, top student Zhou Wan approaches her mother's stepson, Lu Xixiao, for funds. They fall for each other over the summer after graduation but are torn apart by misunderstandings in reality. Ten years later, they reunite at work. Though Lu Xixiao harbors resentment, his love for Zhou Wan remains. As they uncover the truth behind a "factory accident," they resolve their differences and reunite.