Best friends, Noah, Beatrice, Carlos, Shae, Seth and Janette are going on their first sleep away school trip to a ski resort. As they're walking to their cabins, the six friends get lost in a blizzard and separated from the rest of their class. When Noah spots an old abandoned cottage just yards away, the six slowly make their way over to it. While Beatrice searches the cellar for blankets, she discovers a large radioactive gas container. Once Carlos sees it, his curiosity kicks in and soon later the six find themselves more than just missing.
Ellie is on a hike with her friends in the bush She spots something off the trail and walks off to check it out. Her group walks off with all the compasses and supplies, leaving her alone and empty handed apart from her backpack, which only contains a drink bottle, chocolate bar, raincoat, first aid kit, aero guard, and sunscreen. Night is coming. Will she survive until they can find her? What will happen while she is all alone?