One crew – one killer. Andrea (Catherine Walker), a damaged regulator from Benthos Oil, is sent out to Rig 45 two days before Christmas to investigate a fatal accident. When starting to investigate, Andrea finds that the crew of the rig is unwilling to talk to her and she has a hard time finding out the truth.

Just when the rig is hit by a hurricane and all forms of communication to the mainland is cut off, the crew realize that the accident is in fact a murder, and they now know that they are in real danger.

With a murderer amongst them, questions are being asked – who is the killer?  

After a dramatic escape from Rig 45 – an isolated oil rig in the North Sea where a ruthless killer has ravaged  – Petra Dahlberg has a hard time convincing the police with her story. And then a body is found on the Scottish shore.

The murder mystery on Rig 45 continues in season 2 and premieres in 2020.