2017 film by Takeshi Kitano

2010 film by Takeshi Kitano

A Hong Kong cop named Kit busts a major gangster only to find his cover blown and his main witness gone. The gangster, in retaliation, has him kidnapped and put in a Thai jail with a false criminal identity. Lowly prison guard Chai, with his extraordinary fighting skills, guards Kit and prevents his escape. The prison guard’s daughter suffers from a rare form of leukemia and Kit is the only donor who can save her. The prison guard discovers Kit’s real identity and helps him to escape in return for his agreeing to save his daughter. Together, Kit and Chai must face and take down the gangster and his minions.

2012 film by Takeshi Kitano

夜幕下的东京，黑帮老大织田大成（小日向文世 饰）与小野寺警视正（角野卓造 饰）领导的警察部队展开一场斗智斗勇的追逐战。一番交手过后，双方都清醒地意识到，彼此的队伍中藏有身分不明的内鬼。相貌平平的高山亮介（香川照之 饰）早年被精明狡猾的织田收为养子，并通过精心培养和训练将其安插到警察队伍中，成为其现代化犯罪中最重要的一枚棋子。织田手下的猛将森屋纯（西岛秀俊 饰）看似忠诚心狠，实则是潜伏黑道多年的警察卧底，为了铲除织田组多年来承受了巨大的危险和心理压力。此后不久，黑白双方展开清算内鬼的行动，而高山和森屋也即将展开宿命般的悲剧对决……
本片根据经典香港影片《无间道》改编，为“双面”系列的第一部。