Il canto della balena

Gudred Olgersonn, a wealthy Nordic entrepreneur, hires Nathan, Legs and Jack O'Ryan, along with a local agent, Thorwald, to protect her annual whaling hunt. In fact, a group of ecologists, having taken possession of a submarine shielded in such a way as to be invisible, intends to sabotage the hunting trip. On board the ecologist submarine is Miriam, an esper who comes into telepathic contact with the great mutant whale Testarossa...