A Chinese special force soldier with extraordinary marksmanship is confronted by a group of deadly foreign mercenaries who are hired to assassinate him by a vicious drug lord.

The referee expelled the "fake boy" Tian Jiao from the arena for imposting him. Xu Ao, who was on the same team, confronted Tian Jiao everywhere, and the contradiction between the two became deeper and deeper. In a group match, Tian Jiao performed a hat-trick. Seeing victory was in sight, Xu Ao scored an own goal. Tian Jiao insisted that Xu Ao deliberately kicked the ball into his own gate. He got the coach’s distrust and became a substitute. In the following series of incidents, the surprising truth surfaced...

"The First Major Case" is a historical drama based on the first major anti-corruption case in the People's Republic of China. Set in 1951, the story follows counter-espionage officer Chen Huaibang, who uncovers the shocking corruption of Liu Qingshan, a former revolutionary hero turned corrupt official. Despite their past, Chen stays true to justice, bringing Liu and his accomplice Zhang Zishan to trial. The film highlights Chen's battle of wits with Liu, Zhang, and the enemy spy known as "Qingmang."