Jin Hai, played by Sun in the TV series New World, is * * *, the boss of Tian Dan. Everything he did before was to hide his identity. On the surface, he is the first district head of Beiping, and his character is very calm, giving people an unfathomable feeling.

Through the fate changes of Jin Hai, Lin Tie and Xu Tian and the acquaintance of Xu Tian and Tian Dan, New World tells the times changes of Beiping City 22 days before the founding of People's Republic of China (PRC) in 1949.

Facing the turbulent situation in the play, Jin Hai, Lin Tie and Xu Tiansan are in different positions. When family, love, national interests and personal beliefs are in fierce conflict, the three brothers made different choices and embarked on completely different life paths.