Midnight Call: Three Years After My Sister Died, the Murderer Comes to the Door

When former policeman Gu Yanzhou was in desperation to collect debts, he received a call from a deceased person. The other person on the phone asked him not to trust his former teammates and dragged him back to Baidu Bridge where his sister Gu Qinghe died. The secret room on the 17th floor, the six-fingered murderer, the White Tower Society and the bureau's black hands have surfaced one after another. He must find the person who died three years ago before the evidence is erased.