John Knox is a professional killer. His actions weigh heavily on his conscience, and Knox plans to retire. However, when his son Miles appears on his doorstep, shocked and covered in blood, begging for help, it changes all his plans. With the support of his old friend Javier, Knox must devise a complex plan to confuse the pursuing police and redeem his guilt, all while saving his son whom he hasn\'t seen in many years. The situation is further complicated by the fact that John has been diagnosed with a rapidly progressing form of dementia, and now time is running out.