Episode Four
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.
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More from this season
S1 E1
Episode One
When a murder in Belfast remains unsolved after 28 days, DSI Stella Gibson is called in to review the case.
S1 E2
Episode Two
DSI Stella Gibson's worst fears are realised as Spector's murder spree in Belfast continues and she faces very real consequences after a reckless decision.
S1 E3
Episode Three
As DSI Stella Gibson takes control of the hunt for the serial killer striking women in Belfast, the realisation that his perfect kill is tainted pushes Spector into looking for his next victim.
S1 E5
Episode Five
The killer's latest attack gives Gibson renewed impetus. As the net appears to be closing in, Spector makes a dramatic confession and a decision that binds his fate to Gibson.