The story is set in Wudu Port, a city shrouded in crime and desire, with judicial corruption and rampant gangs, adding a strong suspenseful atmosphere and complex social background to the story.
Taking the "Heart Collector" serial murder case as the core, through Shen Yanzhi's investigation, the connection between the case and the arson case in the welfare home twenty years ago was revealed, as well as the secret hidden by Gu Mingyu. The plot is full of reversals and suspense.
