《铁拳》是由安东尼·福奎阿执导，杰克·吉伦哈尔,福里斯特·惠特克,瑞秋·麦克亚当斯,乌娜·劳伦斯主演的动作片。该电影于2015年在美国上映。曾经，比利（杰克·吉伦哈尔 Jake Gyllenhaal 饰）凭借着他凶猛冷酷的左拳享誉拳坛，一时之间无人能敌，是当之无愧的拳王。然而，一场意外的发生让比利失去了挚爱的妻子莫林（瑞秋·麦克亚当斯 Rachel McAdams 饰），这场悲剧彻底打垮了比利，他开始自暴自弃，不仅放弃了事业，甚至开始酗酒吸毒，因此，他被剥夺了女儿蕾拉（奥娜·劳伦斯 Oona Laurence 饰）的抚养权，蕾拉被送入了福利机构。女儿的离去让比利渐渐清醒了过来，他对自己糟糕的现状失望透顶，决定痛改前非。比利希望能够重新站在拳击擂台之上，他找到了教练威尔斯（福里斯特·惠特克 Forest Whitaker 饰），希望他能够帮助自己，夺回失去的一切。
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