In 1944, during the war of resistance between the Kuomintang and the Communist Party, the Kuomintang captain Mu Liang Feng, who was a hunter, was ordered to lead a special team to destroy the secret weapon research institute of the Japanese army that developed cyanate grenades. With the help of Zhang Jue and Liu Xiao Xian, members of the underground party of the Communist Party of China, he has gone through many difficulties and dangers to complete the task. But during this period, his father, Mu Da Ming, who was a staunch Communist, was killed, and his wife, Liu Yan, was also persecuted and lost her memory. The deeply stimulated Mu Liang Feng arbitrarily believed that the Communist Party caused all this, and began to hate the Communist Party......

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....