When the Police Service of Northern Ireland are unable to close a case after 28 days, Detective Superintendent Stella Gibson of the Metropolitan Police Service is called in to review the case. Under her new leadership, the local detectives must … Gillian Anderson, Jamie Dornan, Niamh McGrady, John Lynch, Valene Kane, Bronagh Waugh, Aisling Franciosi Added on BritBox 2022-05-14. Added on Amazon Prime 2023-07-23. Youtube Trailer