Lu Chen, the ace agent of the Dragon Group, became a prisoner of "collaboration and treason" overnight. The betrayal of his former comrade Xiao Ce and the torture of the cold prison made him fall from the clouds into the abyss. But he never gave in. The hidden micro-blade and the pen engraved with jackdaws all concealed his determination to make a comeback - he wanted to find the real mole, clear the grievances, and smash the shocking conspiracy that endangered the country!
After being released from prison, he transformed into a forbearing handyman and lurked in the enemy's camp. He endured ridicule and temptation during the day, and relied on his secret agent instincts to collect intelligence at night. The appearance of the mysterious female lawyer Su Qingyuan makes him a secret chess piece codenamed "Jackdaw"; the unexpected appearance of his ex-girlfriend Xia Wanxing draws him into the whirlpool of emotion and mission - is she the enemy's secretary or a hidden ally?
From life-and-death fights in prison to lip-talking in wine bureaus, from the missile crisis at the abandoned port to the mystery of the insider at the Dragon Group headquarters, Lu Chen works step by step, walking on the edge of lies and knives. When the truth of the "Polaris Project" surfaced, when the fangs of the overseas organization "Black Snake" were revealed, and when the inner ghost at the top of the Dragon Group revealed itself, he held a sharp blade, shouldered the last wishes of the victims, and tore through the darkness in a desperate situation.
This is the ultimate game concerning the safety of the family and the country, and it is also a passionate counterattack by an agent. Lu Chen proved with his actions: Even if he is stuck in the quagmire, the jackdaw can spread its wings and use its body as a blade to protect our mountains and rivers!
