The Langya special team is composed of members with different personalities. Under the leadership of captain Qin Shan, they face extreme tasks such as counter-terrorism, infiltration behind enemy lines, and cross-border rescue. They gained growth, friendship and unbreakable faith in the trials of blood and fire. At the same time, the successive crises and life-and-death tests make everyone face their own fragility. Qin Shan used wit and humor to lead the team to overcome many difficulties, and eventually became a fearless hero guarding the country. The three volumes of the book are connected through continuous tasks and character growth. The style is compact and humorous, the battle scenes are tense and exciting, and the warmth and laughter coexist at the same time.