Leung is the bodyguard of a Chinese Triad boss, Wong, to whom his loyalty is unrivaled. Living in Hong Kong, Wong requests that his bodyguard travel to the UK to protect a young British woman, whose true identity is known only by Wong himself. Even Wong's son, Yuen, is kept in the dark, which leads to a betrayal that threatens to destroy the family and all that his father has worked hard to protect.

在英国某处的一个地铁站，有来自世界不同地方的24位自由搏击手，为了赢取50万英镑的奖金，正相互绞杀着。在这场比赛中，没有规则限制，没有怜悯与同情，击到对方是唯一目的，只有一个人可以活着离开这里…… 燕迹秦清添加。