This story describes a murder in a park on the outskirts of London. The only clues left at the scene are a blue rose in the mouth of the deceased and a young man who escaped suspiciously. Detectives and assistants began to look at blue roses, visited flower shops, old people and even went to the library to find information, and finally found the coffee shop where the suspect worked. During the chase, the suspect was injured and fled; They had to go back to the coffee shop to ask about the suspect's residence address, and they approached the truth step by step, and the true face of the murderer was about to be exposed. What you see is not necessarily the truth. Trusting intuition is a detective's gift. Jay Chou's way of telling stories is ingenious, and the complicated split-shot scenes and tense suspense rhythm hold the audience's curiosity. The final outcome of the last stroke of God must be amazing!