Spirou and Fantasio are waiting to see their report on television on climate change but the TV signal is taken over by Zorglub, a failed scientist and former student of Count de Champignac. He announces he has created a machine to control the climate for the well-being of the earth. Spirou, Fantasio, Spip, the Count of Champignac and Seccotine leave to arrest Zorglub and head to a small island where he has built his base.

The Zorgloids take the prisoners - Spirou, Spip, Fantasio, the Count of Champignac and Seccotine - to Zorglub. He agreed to speak with the count but he put the others in his prison. A moment later, Zaoki, Zorglub's daughter, comes to rescue them…

Zantafio is a cousin that Fantasio had lost touch with, but he joins forces on an expedition that brings together our two heroes and Champignac. The goal of the expedition is to find the “Hammer of Thor,” a Viking antiquity with supposed powers, lost in the ice.

During a conference, Zorglub decides to kidnap personalities, each one as different as the next, from athletic sportsmen to the best scientists, including underground drilling professionals. His goal: to repopulate his ark with the help of the elite of all categories present on Earth.

Yamanoke is a young scientist who developed the AOB - Alpha Omega Beta - a ray capable of animating objects. Champignac, the young man's scientific godfather, comes to watch the tests. He is accompanied by Spirou and Fantasio who are covering the event. After a surprising demonstration, the trio goes to an opening at the city museum where Seccotine is on location for a report on the new exhibition. Things soon become complicated…