In Linjiang City shrouded in night, evil quietly breeds. Su Yue, the daughter of a well-known entrepreneur, died mysteriously. With few clues at the scene, Interpol Lin Yu was ordered to investigate the case. During the investigation, he discovered that Su Yue was involved in a business conspiracy during his lifetime, and the forces behind it were complicated. While Lin Yu had to deal with the murderer's provocations and threats, he also had to break through the fog and find out the real mastermind. Every time he gets closer to the truth, he seems to fall into a deeper dilemma. Can he win the final victory in this battle with darkness?
