The ace agent Shi Yuxuan, codenamed "Jackdaw", after successfully stealing the enemy's top secret "Deep Blue Project", he suffered an internal purge and became an abandoned chess piece. In order to seek self-protection and revenge, he must reverse infiltration, and in the pursuit of layers of nets and former colleagues, he uncovered a shocking conspiracy that could subvert the structure of the two countries. When trust becomes the most deadly poison, the only one he can rely on is the cold opponent who was ordered to execute him - Li Ziqing.
