In an isolated and inaccessible Antarctic research station in which winter has fallen on the South Pole and the sun will soon disappear for the next six months, a small team, known as the Winterers, remain at the Polaris VI Antarctic Research Station to continue their innovative research. Renowned biologist Arthur Wilde is determined to find a solution to climate change, but his quest turns into a nightmare when several of his esteemed scientists suddenly begin to die.

• Katharine O'Donnelly
• John Lynch
• Olivia Morris