You're Spying, Not Caring for the Big Sister

After transmigrating, Lu Chengfeng accepts a spy mission as a 19-year-old police cadet and infiltrates Nanjiang Qiangsheng Company. Relying on his courage and wisdom, he wins over Old Black and Ah Long, maneuvering between gang bosses Sang Dacheng and Sang Shuo as well as the Sihai Alliance. He solves smuggling cases, rescues brainwashed orphans, and upholds justice amidst danger. Finally, he exposes Old Black as the mastermind, dismantles the entire criminal network, completes his mission, returns to the team, and writes an exciting undercover legend with his passion and wisdom.