This article mainly tells about the historical background of the Tang Dynasty, the secrets hidden in the Tuibei Tu, the fortune of the lotus is unpredictable, the birth of the Wu family, the beginning of troubled times, the Tang prince's heirs, the descendants of the ghost doctor, and the organ family have entered the world to show their saints, but they were suppressed in the mysterious Assassin Academy. The young Di Renjie changes with the situation. Since then, he has solved strange cases, practiced swordsmanship, made the noble son a close friend, and developed a love for the lotus flower. From a simple commoner to a powerful man, from a weak scholar to a master of the world, he uses the sword in his hand to turn wisdom into a sharp edge, destroying the injustice in the world, and from being under the dust, he climbs to the top step by step.