The wind rolled up the fallen leaves, and the dog ate the sun. The strange phenomenon in the sky alarmed Bao Zheng (played by Jin Chaoqun) who was on tour in Zheng County, Caizhou. Suddenly, a group of mysterious people fell from the sky and kidnapped Bao Zheng and his sedan chair. It turned out that the kidnapper was Gao Tianyi (played by Chen Zhipeng), the son of the Gao family mansion in Zheng County. He wanted to sue the current emperor for abandoning his wife and children! In the Gao Mansion in Zheng County, Bao Zheng visited Wang Qiurong (played by Wei Qiuhua), who was selected to enter the palace that year. Qiurong took out the dragon and phoenix bellyband, which was the evidence of the visit of Song Renzong (played by Zhang Tielin) in the past, and pointed out that Tianyi was the current prince. Bao Zheng and Gongsun Ce (played by Fan Hongxuan) believed that this matter had a great relationship with the court. At this time, Tianyou (played by Xia Yu), the second son of the Gao family, suddenly broke in. Bao Zheng found that he was dull in intelligence, but Qiurong and Tianyi protected him everywhere. It turned out that Qiurong went out of the palace to give birth to a child with the dragon vein, and was later taken in by Gao Xu (played by Long Long). Tianyi, who has received a palace-style education since childhood, believes that he is a descendant of the dragon. He hopes to recognize his ancestors and return to his roots as soon as possible, and use what he has learned to benefit the people. However, he does not know that his biological father is Gao Xu, and his younger brother Tianyou is the true son of heaven. Tianyi does not know that his father conspired with the charlatan Quan Dadao (played by Bai Ying) to cause the miscarriage of Pang Taishi's (played by Du Mansheng) daughter Pang Fei, and pushed himself to the throne step by step - everything is Gao Xu and Quan Dadao's trick to threaten Qiu Rong with Tianyou's life in order to enrich themselves. Bao Zheng ordered Zhan Zhao (played by Jiao Enjun) to enter the palace to investigate Qiu Rong's identity, which was known to the emperor. Renzong ordered Bao Zheng to bring Tianyi to Beijing within a few days to appoint the prince. Gao Xu ordered Quan Dadao to hunt down Tianyou to eliminate future troubles. Qiu Rong then hurriedly ordered her maid Xi Que to wear a dragon and phoenix bellyband and escape with Tianyou overnight. The magpie was killed, and Bao Zheng determined that the murderer was the Taoist priest Liu Daoqing (Quan Da Dao) who had personally sent him to prison many years ago. He also reported to Renzong that the prince's right foot should have a red birthmark. Gao Xu burned Tianyi's right foot with fire and told him the truth... How would Tianyi choose after making a big mistake? What would be the fate of the two brothers?