Sean, a mentally ill man who once randomly killed passers-by in a shopping mall, has been receiving care and treatment in a judicial mental hospital for eight years. For him, the accident was not his will, but was deeply controlled by his mental illness. forced behavior. Twelve years later, the victims have been shadowed, while medical institutions have struggled to prove that stable patients can return to society. "Criminals without Criminal Responsibility" has unprecedented permission to film patients, victims and mental illness institutions. It presents the pros and cons of arguments and allows us to gain a deeper understanding of this complex moral dilemma.