Esteban and Tao find Zia in the caves of the Cliff of Spirits where the sorcerer N'Deye has imprisoned her. Together, our heroes explore the depths of the cliff and find a secret gallery where the statues grouped around Princess Rana'Ori reveal to them the location of the sixth city of gold. Meanwhile, Mendoza, Pedro and Sancho attack the sorceror and his Leopard-men to retrieve the precious Bako. Reunited once again, Esteban and his companions set out for the city of gold. But while using the sacred mask again, Zia unleashes a terrible storm...