尤金（大卫·杜楚尼 David Duchovny 饰）是一位经验非常丰富的外科医生，然而工作之余，他亦是一位深受药瘾所苦的瘾君子。一次手术中，尤金因为磕了药而产生了幻觉，导致手术失败，造成了一个无辜的女孩的死亡。深深的自责纠缠着尤金，让他开始自暴自弃。 　　一天，尤金像往常一样来到酒吧买醉，意外的目睹了一场枪击事件，一个男人胸部中弹性命危在旦夕，尤金秉着医生的职业本能对男人进行了抢救，最终成功的保住了他的性命，这一切都被一个名为雷蒙（蒂莫西·赫顿 Timothy Hutton 饰）的男人看在眼底。雷蒙找到了尤金，希望雇佣他替自己干活，而尤金所要做的，就是替那些无法去医院看病的不法之徒医治。Stripped of his medical license after performing an operation while high on amphetamines, famed LA surgeon Dr Eugene Sands abandons his former life only to find himself crossing paths with Raymond Blossom, an infamous counterfeiter. Employed as a "gun-shot doctor" when Raymond's associates cannot risk visiting a hospital, Eugene is lured deep into the criminal world and becomes entangled with his boss's girlfriend.