This series is a fictionalised spin-off featuring the real-life character Mr Jack Whicher who appeared in The Suspicions of Mr Whicher: The Murder at Road Hill House (2011) as the Metropolitan Police detective who investigated a real-life murder.
Mark Bazeley and Olivia Coleman also appeared together in Season 3 of Broadchurch.
This drama reunites Paddy Considine and Olivia Colman from acclaimed and award-winning film Tyrannosaur (2011), which Considine co-wrote and directed.