Knox left.

Professional killer Knox learned one day that he suffered from "Creutzfeldt-Jakob disease", a rare disease more serious than Alzheimer's disease. His memory will all disappear within a few weeks. This made him decide to carry out the last mission of his killer career with his partner Tommy, but Tommy died accidentally on the way. Knox tried to clean up the crime scene and left before police arrived. Unexpectedly, after returning home, what awaited him was his estranged and long-lost son Miles. Miles, covered in blood, explained to Knox that he accidentally killed the murderer who hurt his daughter during a confrontation...