The Golden Rose Hotel Serial Murders

In an unexpected car accident, a wealthy businessman and his wife both fell off a cliff. The waiter opened Room 208, and a body was exposed in the locked secret room. The door latch was firmly locked, the balcony crescent lock was locked internally, and there was no sign of the door or window being pried. The scene was like an unbreakable cage. Guests have their own stories to say. The nursery rhyme about the magpie serial killings twenty years ago is heard again. The sins of the past have not been buried in the ground, but a new group of people have been killed again. Twenty years ago, detective Chen Jianguo failed to catch the murderer and failed to save his apprentice Feng Shi. This time, can he uncover the truth with detective Leng Saturday 20 years later?