Solo and Illya visit the laboratory of Dr. True, who has discovered how to extract gold from seawater. But Dr. True dies from a poison given him by Thrush agent Randolph, and Randolph also kills his wife Amanda. The gold extraction formula was distributed in portions by True to his daughters, in inscriptions on a photo of himself. Solo and Illya meet Sandy True, who accompanies them to Rome, to find her half sister Margo, now unhappily married to the destitute Baron de Fanzini to London, to find the next sister Imogen, who has been arrested by a Constable for indecent exposure and finally the Alps, to find Yvonne, who is breaking off an unhappy relationship with Karl Von Kesser. But after decoding the message in Japan, Solo, Illya, and Sandy are captured by Randolph and taken to Thrush central for execution.moreless
Thrush is so eager to get their hands on a boy genius that they murder the boy's father. But then they have to deal with the boy's madcap aunt.