When a contract killer discovers his latest set of targets have supernatural abilities and are connected to the death of his late wife, he goes rogue, turning his targets into a weapon against the corrupt officials that hired him.

New Tricks is a British comedy-drama that follows the work of the fictional Unsolved Crime and Open Case Squad of the Metropolitan Police Service. Originally led by Detective Superintendent Sandra Pullman, it is made up of retired police officers who have been recruited to reinvestigate unsolved crimes.