Original sin here refers to: the cause of sin. This novel tells a story of suspense and reasoning: Rongda and his group came together because they also loved gardenias, and they worked hard to build a nickname empire. The Huadong Hotel in the building. Just when he was enjoying the harvest, Rongda died suddenly. Was it a homicide or a suicide? The police sorted out from three aspects, investigated, exposed falsehoods, and finally restored the truth. The results tell people that spring, summer, autumn and winter come and go Go, the gardenia is still bright and fragrant. Evil will not succeed. While the world is constantly fighting against selfish desires and evil, it will definitely push society forward. The article strives to use the form of stories to clarify the connotation and extension of original sin. This story is purely fictitious, and there are many life philosophies and experience in dealing with things, which can be used by readers to learn from nourishment or discard waste. If there is any similarity, it is by no means intentional, and please do not take it for granted. I hereby apologize and thank you. If there is any inappropriateness, please correct me or give me some advice , the inscription is profound.