A body lies in the frozen wastes on Svalbard, and slowly becomes part of the landscape, as it is blanketed in snow. It will lie preserved here until spring, when it will then thaw, decay, and feed the animals and the plants until snow falls again.
The climate scientist Njål was married to Sol, a vicar, for a long time. They wanted children, but only had miscarriages. Njål leaves her for Nina, his student at the Center for Climate Change. They have a daughter, Lotta, before their relationship breaks down.
Nina sues Njål for joint custody of Lotta. He left her in the throes of prolonged postpartum depression, while he made Nina sign him as the main custodian. Now, feeling better, she wants Lotta at least half of the time. Njål and Nina both keeps secrets about the dramatic events leading to their breakup, secrets that can harm them both in their pursue of custody.
The couple are also rivals for research credit and a seat in an important climate expedition to Svalbard. Sol watches them, from afar, envious stalking Njål and his child as well as mourning her loss.