A family—made up of a father, his wife, Kit, and their two young girls, Megan and baby Lucy—goes on a countryside glamping vacation as an escape from the city life. They begin their stay in the midst of a snowstorm that leaves the father up all night, checking the entrance to the tent and sensing something amiss in the howling of the wind outside. Eventually, he returns to bed with his wife where he dreams of a flame against white. When he wakes up, his wife and children have gone to the chicken coop at the farm they are glamping at to get eggs for breakfast, and he goes to join them. His wife is distressed when he arrives. The chicken coop is broken, and inside there is a trail of blood and only three chickens where there used to be four. They assume it is an animal, a fox perhaps, and let the farmer know. Both Kit and her husband are shaken by the unexpected encounter with death. The father decides to take the children on a walk to the playground nearby to lighten the day. Megan, the older of their two children, plays happily on the playground until she suddenly bursts out in tears, crying for the chicken that disappeared and expressing concern that the fox will return and eat the others. Kit eventually calms Megan down, and as they continue playing. The father spots a red thing in the grass by the lake, and discovers a dead fox laying there with no visible bullet wounds. He kicks it with his boot to make sure it is dead, and has flashbacks to a moment in his childhood. He goes later that day to let the farmer know that he saw a dead fox, but when he leads the farmer to the spot where the fox was, there is only an imprint in the grass. He and the farmer dismiss it as some natural cause, and return to their homes as a snowstorm sets in. When he arrives home, he puts Megan to bed, and watches his wife breastfeed their baby, Lucy. He becomes aroused, and goes out into the storm, saying he is checking the ties on the tent, while actually just trying to hide his erection. The cold of the storm causes him to have a flashback of an incident from his childhood where, at 14, he shot and killed a mother fox just after leaving an older girl's house. He was disturbed by the experience of killing something while he still had an erection. He returns to the woods but cannot find the body of the fox, finding instead a litter of newborn fox kits which he drowns before leaving the woods and never returning. After this flashback in the storm, he spends the night staying up late reading, until he hears what he thinks is a sheep bleating. He follows it outside, getting caught in a barbwire fence, until he hears his wife screaming. He returns to the house to find her hysterical, and the beds of both girls empty save one spot of blood where each body once lay.