Set in the near future Code 404 revolves around two Detective Inspectors, DI John Major, and DI Roy Carver, who is the top crime-fighting duo in the Unit. But when an undercover sting goes horribly wrong, Major is gunned down on the job and killed.
Episode Summary:
Detective John Major is killed after a failed sting operation, but the Met brings him back from the dead as part of an experimental artificial intelligence project. Major immediately goes on the hunt for his killer, dragging his still shocked partner and best friend Roy Carver along for the ride
