Lin Xi, a member of a dockside gang, finds himself unintentionally caught in an intelligence war between the Bureau of Investigation and Statistics (BIS) and Japanese invaders due to a key. Alongside his good friend Li Yunfei, they cross paths with Su Nan, a forward-thinking student, and Zhou Yingqun, an upright and principled BIS agent. As the enigma surrounding the key gradually unravels, it sets off clashes among gangs and sparks nationwide turmoil. Amid the turmoil, Lin Xi, Zhou Yingqun, and Li Yunfei form a profound brotherly bond, navigating through life-threatening scenarios. Lin Xi develops affection for Su Nan and embraces communist ideals. Seven years later, the scattered trio reunites in Jinzhou, and their status drastically alters. Driven by differing goals, they compete on the battleground of intelligence for their respective camps. With new grudges and old resentments, they grow opposing ideals. Amidst intelligence battles and gunfire, the trio calmly accepts their fates. They find peace in their choices, reconcile with each other, and unravel the enemy's schemes through blood and flesh, unyielding love and ideals. Ultimately, they steadfastly uphold their inner ideals and beliefs....

A story revolving around a fresh graduate who holds an idealistic view of what's right and wrong, yet realizes that the very institution he chose to serve falls heavily onto a gray area caught in the struggles during chaotic times. It takes place after the war has been won. Gu Yao Dong who grew up in Shanghai graduates from university. Hoping to fulfill his dreams of upholding the law and protecting the people, he succeeds in becoming a policeman. However, Gu Yao Dong is disheartened from the constant bullying by his peers and even gets caught deep in the political warfare between the Communists and the Nationalist. With the help of Xia Ji Cheng and Shen Qing He, he starts on a road to a revolution....

"Jiao Yang, even if the time counts down, maybe I will never see you again, but please remember that there is a person named Lin Miao who loves you very much." This is the first sentence written by Lin Miao in the autobiographical novel "Parallel Love". 33-year-old Lin Miao comes across Jiao Yang in an era without bike sharing, scan code to pay, or the takeout software. From mutual disgust in the beginning to working together as the superior and the subordinate, Lin Miao changes Jiao Yang moment by moment. Those unrealistic business plans in his mind gradually become feasible. Jiao Yang also sees this 8-year-older woman's most vulnerable side. After the breakup ten years ago, Lin Miao changed her name and tried to bid farewell to her past. But she is still an ingenuous "little girl" who longs to be cared for in spite of her powerful outside. Unconsciously, Lin Miao's heart thumps towards Jiao Yang. But this time Jiao Yang and Lin Miao discover that the man behind the conspiracy is Lin Miao's ex-boyfriend, Su Chengjun, who is also Jiao Yang's half-brother. Since the two were born, their lives are like the fate of a prince and a beggar. But this time Su Chengjun decides to change. With the cooperation of Lin Miao, Jiao Yang steps through the conspiracy of the power struggle inside Hongyu Group. After experiencing confusion, twists and turns and struggling, Lin Miao and Jiao Yang bravely rewrite Hongyu Group's fate, gaining growth and love for each other....

The story is describe about Luo Yingwei who is a narcotics police, After witnessing her boyfriend's sacrifice on duty in the campaign of encirclement and suppression. In order to investigate the Truth of the Blue Devil Drug Trafficking Group. she apply for transfer to the Archive Center, and lead three policewomen to establish a "cold case team" to find the true story....