A series of poisoning murders occurred on a rainy night in Bincheng, leaving no trace of the perfect crime
Criminal Investigation Team Song Ce'an x Lu Qingyan, chasing the murderer side by side
The villains are bound by fate, the professional killer Wu Qinglan x the chemical genius Li Xun, revenge with poison, depend on each other, and fall into the abyss together
Purpose: Killing to prove revenge will eventually lead to justice. Justice and affection have different paths.