Adapted from documentary literature " Please tell the director, three brigade task completed. " The rape and murder suspect died in the interrogation room after being beaten by the crowd. The three brigades in charge of the case were also sent to prison. The other suspect is still at large. After his release from prison, three brigade under the leadership of Captain Old Cheng to track down his whereabouts, and finally assist the police to capture the suspect, chasing the murderer for 12 years.

2023 Taiwan movie

京海市一线刑警安欣（张译 饰），在与黑恶势力的斗争中，不断遭到保护伞的打击，始终无法将犯罪分子绳之以法。全国政法队伍教育整顿工作开展后，临江省派出指导组入驻京海，联合公检法司各部门，清除了政法队伍内部的腐败分子，粉碎了黑恶势力的保护伞，一举铲除了盘踞京海多年的强盛集团。

A school teacher discusses types of government with his class. His students find it too boring to repeatedly go over national socialism and believe that dictatorship cannot be established in modern Germany. He starts an experiment to show how easily the masses can become manipulated.