In a small, snow-covered Norwegian village, Kaja is a perpetually optimistic woman who is unfazed by her husband Eirik's distant demeanor and hidden infidelities. Their life takes an unexpected turn when new neighbors, the seemingly perfect Sigve and Elisabeth, move in next door with their adopted Ethiopian son, Noa. Despite Sigve and Elisabeth's outwardly flawless relationship, cracks begin to show when Elisabeth's loneliness and dissatisfaction come to light. Kaja, eager for new friendships, quickly bonds with Sigve and Elisabeth, leading to a series of revealing interactions that upheave the careful balance of their domestic lives.

As the adults navigate complex emotional landscapes, Kaja and Sigve develop an intimate connection, sparking underlying tensions within their respective marriages. Meanwhile, the children's interactions parallel these turbulent adult relationships, as Kaja's son Theodor harbors feelings of racism and exclusion towards Noa. This dynamic situation brings to the surface underlying issues of fidelity, identity, and acceptance. As friendships deepen and unravel, all four adults face truths about their relationships and themselves, setting the stage for a series of pivotal and life-altering decisions that will redefine their views on happiness and fulfillment.