The Prodigy

Around the year 1565 a new special ability had discovered in humans i.e, if a person kills another person, the victim lifetime transfers to the killer. The rumours began spreading around the globe. Crime rate increased by 30%. Within a short period of time population decreased by 5%. By realising this a new organisation formed to stop the crime rate at any cost. This organisation has increased it's fame by stopping numerous crimes. Crime rate steadily started to decrease after a century due to this organisation. The organisation is named as 'Anti Criminal Organisation'-ACO. New rules emerged on entire earth.
Now coming to present 2020 our main character named 'Stephen William' an orphan trained in ACO and marked as an excellent agent.
But fate changes everything after his retirement....