In a remote location, Léo and Nicolas are creating Vivarium, a video game that strangely mirrors the environment where they struggle to live together. The game depicts the decay of a house that unsettlingly resembles their own. As they grapple with the scale of the task, cohabitation becomes increasingly strained. The challenging creative process heightens tensions, putting their partnership to the test.

Dans un lieu isolé, Léo et Nicolas créent Vivarium, un jeu vidéo où l’on observe le pourrissement d’une maison qui rappelle étrangement la leur. Face à l’ampleur de la tâche, la cohabitation se complique et le duo est mis à rude épreuve.