When the crew of the Kinloch Bravo find themselves cut off from all communication with the Scottish mainland by a mysterious fog, they must fight to find a way home whilst managing environmental pressures, mounting paranoia and rising tensions. But as the threat facing them reveals itself to be something beyond their wildest imagination, the divided crew must form an alliance to ensure survival.

• Emily Hampshire
• Iain Glen
• Martin Compston
• Rochenda Sandall
• Owen Teale
• Molly Vevers
• Stuart McQuarrie
• Alice Krige