On a leave of absence from the police force, Luther is laying low in a rundown cottage on the edge of England but a visit from his old colleagues at the Met brings a shocking piece of news that draws him back to London in search of the truth. Meanwhile, a
Will is desperate to make a good impression with the College of Heralds so that he can finally get a coat of arms. Befriending a dashing African prince by the name of Otello may provide Will with the means to climb the social ladder.