1991, Ilpo, a young Finn who is depressed by the severe economic crisis in his country, meets a vegan 'Tribe' who lives in tepees. He meets their guide, an enigmatic shaman who asks him for help in building their Gaïaland, an ecological utopia.

These 'Amerindians' are actually French, Belgian, Italian... They are young forerunners of the ecological cause who met ten years earlier in Paris. At the time, their teepees and way of life stood out in the urban landscape and aroused suspicion.

1984. After experimenting with an alternative way of life in Paris, the 'Tribe' embarks on a grand project: a journey around the world to rediscover nomadic life and sensitize the world to the ecological cause. But soon family and press say that the members of the group are being manipulated. Their 'guide', Norman William, is holed up in Belgium and tries to fund their activities, while he is under investigation. The ambiguity of his intentions soon becomes apparent, as do his different faces.

1991, the members of the 'Tribe' are exhausted after ten years of traveling through Europe. They meet Ilpo who helps them settle in Finland. Despite the Finns' warnings, Norman William decides to set up camp at the Arctic Circle. The 'Tribe' wants to prove that their way of life is possible even in extreme weather conditions. But when the temperatures drop to -50 ° C, the doubts grow among the followers. They have to push themselves to their limits, both physically and mentally. Heavy clouds gather over the group and their utopia when tragedy strikes the camp.

1993. It is the second winter for the 'Tribe' in Finland when French families track them down. The Finnish authorities turn against the 'Tribe' as a result of various dramas and discoveries about Norman William. The lonely stragglers, who claim to belong to the autonomous people of 'Iriadamant', are threatened with expulsion from Finland. They are opposed on all sides and have barely any resources left. They begin to question their adventure when they discover Norman William's duplicity that set them adrift.