Gillian Anderson stars as DSI Stella Gibson in the first part of this gripping new investigative thriller. When a murder in Belfast remains unsolved, Gibson is brought in to catch the killer.

Gibson’s worst fears are realised as Spector’s murder spree in Belfast continues and a reckless decision has Gibson facing some very real consequences.

As Gibson takes control of the hunt for the serial killer striking against women in Belfast, the realisation that his perfect kill is tainted pushes Spector into looking for his next victim.

When Eastwood’s investigation into Olson’s murder throws open some uncomfortable truths for Burns; Gibson comes under increased pressure in her hunt for Belfast’s killer.

The killer’s latest attack gives Gibson renewed impetus and as the net appears to be closing in, Spector makes a dramatic confession and a decision that binds his fate to Gibson.