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…