Xie Heng accepted a divorce tracking order, but saw his client being poisoned at the candid filming scene - his business card was left next to the body, and all the evidence pointed to him as the murderer. The police are wanted, enemies are blocking the door, and the mastermind behind the scenes is sneering in the dark. But no one knew that Xie Heng could locate the suspect's radius of movement by looking at the soil stains on the soles of his shoes and infer the time of the crime from the amount of oil secreted from his hair. Within three days, he had no intention of clearing his suspicions. He wanted to send the person who planned all this to the morgue.
