Old Cases Linger: the Seventh Suspect's Confession

When Chen Mo, the deputy captain of the criminal police team, was investigating an old serial murder case ten years ago, he accidentally discovered that there were clues about the seventh suspect hidden behind the case. As the investigation deepens, he gradually discovers that this mysterious seventh person seems to be inextricably linked to his past. As the truth approached step by step, Chen Mo had to face the darkness deep in his heart and the memories he had escaped from. How will he choose between justice and revenge? A journey to chase a murderer spanning ten years, a story about redemption and truth, is about to be unveiled in the bloody fog.