A chance assignment draws Lin Xiao into the complex conspiracy of the Dark Night Syndicate, a powerful and ruthless criminal organization willing to do whatever it takes to conceal its crimes. Faced with danger at every turn and one provocation after another, Lin Xiao refuses to back down. Instead, he courageously fights back, pressing deeper and deeper into enemy territory.
In this seemingly unequal struggle, Lin Xiao must contend not only with threats from the Dark Night Syndicate, but also with the police's misunderstandings and his peers' suspicions. Yet he firmly believes that even the deepest darkness cannot swallow the glow of hope. With intelligence and courage, Lin Xiao gradually unravels one mystery after another, seeking not only the truth, but justice as well.