《无间道3：终极无间》是一部由刘伟强和麦兆辉联合执导，梁朝伟、刘德华、黎明、陈道明等演员主演的警匪片。这部电影由寰亚电影有限公司出品，于2003年12月12日在中国香港上映。

影片的故事情节扣人心弦，讲述了一场复杂的心理游戏。主要围绕着刘建明这个角色展开，他杀了陈永仁后，接近陈永仁的心理医生李医生，试图从他口中得知陈永仁的过去，并找到证明杨警官是卧底的线索。然而，随着深入了解陈永仁的过去，刘建明不知不觉地开始产生了人格分裂，仿佛陈永仁的角色也在他的内心中浮现出来。

这种心理的分裂和内心的挣扎使得影片的情节异常扑朔迷离。观众跟随着主角的视角，进入了一个个未知的心理迷宫。在这个迷宫中，真实和谎言交织，过去和现在交错，每个角色都可能隐藏着意想不到的秘密。

梁朝伟、刘德华、黎明和陈道明等一众实力派演员的出色表演更是为影片增色不少。他们各自诠释着角色的复杂心理，将紧张的氛围推向高潮。每个演员都有属于自己的光芒时刻，让整个影片充满了张力和吸引力。

《无间道3：终极无间》通过复杂的心理游戏，将警匪题材的故事推向高潮。影片巧妙地将心理战与动作戏相结合，让观众在紧张刺激的同时，也感受到了角色内心的矛盾和挣扎。这样的处理使得影片在情节上更加紧凑且引人入胜。

"Infernal Affairs 3: Ultimate Infernal Affairs" is a film co-directed by Lau Wai Keung and Mak Siu Fai, Tony Leung, Andy Lau, A gangster film starring actors such as Liming and Chen Daoming. Produced by Media Asia Films Limited, the film was released in Hong Kong, China on December 12, 2003.

The film's gripping storyline tells the story of a complex mind game. It mainly revolves around the role of Liu Jianming. After he killed Chen Yongren, he approached Chen Yongren's psychiatrist Dr. Li, trying to learn about Chen Yongren's past from him and find clues to prove that Officer Yang was an undercover agent. However, with the in-depth understanding of Chen Yongren's past, Liu Jianming unconsciously began to have a split personality, as if the character of Chen Yongren also emerged in his heart.

This kind of psychological split and inner struggle makes the plot of the film extremely confusing. Following the protagonist's perspective, the audience enters unknown psychological mazes one after another. In this labyrinth, truth and lies intertwine, past and present intertwine, and every character may hide unexpected secrets.

Excellent performances by Tony Leung, Andy Lau, Liming and Chen Daoming It adds a lot to the film. They each interpret the complex psychology of the characters, pushing the tense atmosphere to a climax. Every actor has his own shining moment, which makes the whole film full of tension and attraction.

"Infernal Affairs 3: Ultimate Infernal Affairs" through complex psychological games, the police The story of bandit theme reaches a climax. The film cleverly combines psychological warfare with action scenes, allowing the audience to feel the inner contradictions and struggles of the characters while being tense and exciting. Such processing makes the film more compact and fascinating in plot.