Alfred Bannister has stolen the rain machine belonging to the likeable Charles Dickwick. It activates once it gets close to the “rock that burns”, a radioactive stone that bestows on Alfred the power to hurl lightening bolts from his hands. Transformed into a deadly superman, the evil individual wears a macabre costume with a skull drawn on the chest and calls himself Thunder man!
The cold vice of winter grips the forest of Darkwood. And Zagor is involved in the encounter between a white man, Warren, and a mysterious Indian, Lupo Solitario. What secret drama moves the two antagonists?
