A fantasy, several murders, as the case progressed, I thought I was getting closer and closer to the murderer, but when the truth came to light, I was pulled into the abyss, and in the end I did not escape the cycle of pain... He Liang is a very experienced police officer who handles cases. He and his partner Wang Wen have cracked numerous cases, large and small. The film begins on the top floor of a modern building. Surrounded by the police, a suspect shoots a woman in public. In front of He Liang, this woman is his wife Alian... Then one after another murders happen around them. The strange thing is that before each murder, they will receive a painting, which depicts the symbols of the body of the person who is about to be killed, such as tattoos, brooches, rings, etc. He Liang firmly believes that this is the revenge of the "wild bear". As the case progressed, the address found by Wang Wen based on the envelope of the first painting was surprisingly similar to the address and time of He Liang's business trip. At the same time, Azhen, the sister of He Liang's wife A-Lian, went to help her sister get home and accidentally discovered He Liang's secret...