In a city full of futuristic technology-the City of Time and Space, a series of mysterious events followed. Every ten years, a seemingly unsolvable serial case appears in the city, and behind it lies a surprising secret: the phenomenon of time reversal. Whenever a case occurs on the tenth day, all people and things related to the case will return to the day when the case began. Only a very small number of individuals with the ability to "recall" can remember the experiences of the past ten days.
The protagonist, Lu Mingyu, is a police detective who has been troubled by a family curse. After experiencing this strange cycle, he discovers that he is one of the very few people who can retain his memory. He decided to challenge this conspiracy controlled by time, uncover the truth, and break the reincarnation. As the investigation deepened, Lu Mingyu discovered that this was not only a simple crime, but also involved time travel, artificial intelligence ethics, and mankind's ultimate exploration of destiny.
During the ten days of each reincarnation, Lu Mingyu not only needs to fight criminals, but also solve historical mysteries hidden in the mists of time, and save those destined to tragedy within a limited time. In this life-and-death race against time, Lu Mingyu will face his own fears, discover the power hidden deep in his heart, and at the same time reveal a century-old conspiracy that spans time and space.