[National Security + Police + Solving Cases + Daily Life in the City + Career + Officialdom] In his previous life, Li Xiangbei completed his revenge plan, jumped into the reservoir, and was reborn in 2008. He joined the National Security Bureau through school recruitment. He passed the civil service exam and was assigned to the Third Brigade of the Criminal Investigation Detachment of the Xinzhou Public Security Bureau in Jiangbei Province. A third brigade with no cases to solve, reopened the cold case, starting with the 626 throat-cutting case. He received third-class merit, second-class merit, and first-class merit, and he was so successful that his hands were full. The third brigade went from last to first in the municipal bureau, and then to first in the province. Protagonist: Li Xiangbei