Northern Irish police officer DCI Tom Brannick connects a suicide note with an infamous cold case with enormous personal significance.
James Nesbitt
DCI Tom Brannick
Lorcan Cranitch
DCS Jackie Twomey
Charlene McKenna
DS Niamh McGovern
Lola Petticrew
Izzy Brannick
Chris Walley
DC William 'Birdy' Bird
Victoria Smurfit
Olivia Foyle
