Episode 4

Summary

After a shocking death on board, the team are tested to their limits by a deadly blizzard that brings them into close contact with the Ancestor – and another danger even closer to home.

Guest stars

• Mark Addy as Coake
• Neshla Caplan as Kacey
• Hiftu Quasam as Emma Mackendick
• Jacob Fortune-Lloyd as Darian York
• Sanjeev Kohli as Doctor Sail
• Daniel Cawley as Paramedic
• Saskia Ashdown as Danielle