Xu Li

In a small town, twelve mysterious letters and a 35-year wait intertwine to shape the lives and loves of a close-knit group of friends. Yu Nian and Shen Cheng’s world is thrown into turmoil when their parents vanish, followed by cryptic messages arriving from another time. Driven to uncover the truth, they plunge into a complex puzzle, navigating dual timelines and unraveling the secrets hidden within the letters that could explain their disappearance.

Eager to fight crime, young Liu Ziming joins the police force but quickly finds the work less thrilling than he imagined. Under the mentorship of his senior and through his evolving experiences, he matures into a capable detective, gaining a deeper understanding of his responsibilities while striving to uphold justice and security.

The masterminds behind the scenes attempted to unfreeze billions of assets, not hesitating to hire yakuza forces to launder money by extreme means. Behind everything lies a more intricate and complex criminal network and connections. In the face of the temptation of rivals and difficulties, "Trident" can firmly believe, hand in hand to solve the case, to bring the criminals to justice?

The story of the Northeast Anti-Japanese Allied Forces' rearguard regiment's breakout, reorganization and return to the Northeast battlefield from 1938 to 1945.