In the ever-changing Jiangcheng, senior spy Du Nan leads the "Humor Squad" in a thrilling contest with hostile forces at the center of the spy war whirlpool. They laughed at the dangers in every mission and solved the mysteries in a humorous and witty way. During this period, they encountered tests of faith and emotion, identity dislocation, and hidden reversals, which promoted personal growth and team cohesion. As the battle between the enemy and ourselves gradually escalates, the grievances between Dunan and the villain leader Tang Zhen surface, and all the mysteries are gradually revealed. The three volumes of stories are intertwined, from lurking in Jiangcheng to being an undercover agent abroad, and finally returning to the homeland, ushering in the ending in the humorous laughter of the spy world.
