He tells her the story of the tribe that was teleported from its homeland of Siberia to a doomed planet after encountering mysterious 'moon men' with supernatural powers, who the shaman says are floating, human-like aliens. Before helping the Inuit return to Siberia, Didier wants to prove that they lived on an exoplanet.

Everything is ready for the Inuit's journey to Tahiti. Didier and Marcel try to set a trap for Delbrosse to get her arrested, but they fail: she has already warned the police that there are 'illegal immigrants' at GEPAN!