布奇（乔什•哈奈特 Josh Hartnett 饰）和李（艾伦•艾克哈特 Aaron Eckhart 饰）都是拳击界的佼佼者，李被称为“火先生”、而布奇则被称为“冰先生”。李在警局执行组，而布奇则比较落魄。在警局举行的一场拳赛上，布奇故意输给了李…

When the digital native Benjamin turns 18, he inherits a box of ancient artefacts from his missing father. He gives an antique book to Slien, the girl he has his eye on, and unintentionally sets a chain reaction in motio…