Synopsis:

Giuseppe, rat control specialist, is employed by the military to hunt down the mouse Sigfrido – guinea pig at a nuclear power station – who, having escaped from the lab, is creating havoc in the pipe system. Galileo detests violence and therefore devises a painless system for capturing the radioactive mouse: a mate and a house. Just as the stratagem seems to have achieved its aim, Galileo is by accident catapulted into a tank of plutonium. He comes out radioactive and in turn a guinea pig and subjected to experimentation, but in the end is saved by the heroine.