Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.

Northern Irish police officer DCI Tom Brannick connects a suicide note with an infamous cold case with enormous personal significance.

Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.

Northern Irish police officer DCI Tom Brannick connects a suicide note with an infamous cold case with enormous personal significance.