Liverpool Sound and Vision Rating 9/10

Cast: Nicola Walker, Jamie Sives, Katie Leung, Ukwelu Roach, Silvie Furneaux, Paul McGann, Jade Chan, Kate Dickie, Hannah Donaldson, Saskia Ashdown, Andy Clark, Martin Bell.

A detective must have a quirk to make them more appealing to the television viewer, the moment when the serious equivalent of the comedic catchphrase is long awaited for by those investing their time in the drama, and when it appears gives them a sense of comfort, a reminder that every detective is as prone to the errors of every human, every person, but in which their foible and particular oddity helps them understand the condition of the murderer they have set out to catch.