National Security Police: Night Guardian

Lin Yu, who was an ace agent in his previous life, traveled to a parallel world with the same name and surname. He retired due to injury and joined the National Security Bureau. Using the abilities of his previous life and the abilities of the special forces, he continued to solve crimes after joining the National Security Bureau, constantly destroying other countries' conspiracies against our country, and became the guardian of the hidden front. As he gradually integrated into this world, Lin Yu discovered that this was a world that was a fusion of the past life world and various fusion film and television dramas. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.