Journeying across the Arctic, their pasts are about to catch up with them. Erica, Molly and Noah are embarking on the challenge of a lifetime, driving Siberian huskies across the frozen wilderness of the Arctic. Cut off from the world and their loved ones and thrown together under gruelling conditions, it isn't long before the cracks start to show. Erica has it all. A loving husband, a successful career and the most adorable baby daughter. But Erica has been living a double life, and as she nears her fortieth birthday her lies threaten to come crashing down. Molly was on her way to stardom. But when her brother died, so did her dreams of becoming an Olympic champion. Consumed by rage and grief, she has shut out everyone around her, but now she's about to learn that comfort can come from the most unexpected places. Noah has a darkness inside him and is hounded by nightmares from his past. Tortured, trapped and struggling to save his fractured relationship, he knows this journey is not going to help, but try telling his girlfriend that. As their lives and lies become ever more entwined, it becomes clear that in the frozen wilds there is nowhere to hide.