Set in the dark heart of Victorian London, follows Detective Inspector Rabbit (Matt Berry), a hardened booze-hound who's seen it all, and his hapless new partner Strauss (Freddie Fox). They are joined by Mabel (Susan Wokoma), the ambitious daughter of police chief Wisbech (Alun Armstrong). Together they must fight crime while rubbing shoulders with street gangs, crooked politicians, Bulgarian royalty, spiritualists, music hall stars and the Elephant Man. But Rabbit's nemesis, Inspector Tanner (Paul Kaye) is always waiting in the wings to thwart their efforts. Also starring Keeley Hawes (Bodyguard) as the mysterious Lydia and Sally Phillips (Veep) as Princess Violetta of Bulgaria, Jill Halfpenny (Three Girls) is Rabbit's ex, the deadly Flora and Ann Mitchell as barmaid Gwen..