Two explorers from an ill-fated expedition in the Antarctic find shelter as they face one last, impossible leg of their journey to safety, and reveal the truth of what happened out on the ice.
| Actor | Role |
|---|---|
 Aaron MonaghanTomás | Tomás |
 Clare MonnellyEileen | Eileen |
| OOisin McCartanEd | Ed |
| BBarry McKiernanMurt | Murt |