Menator orders the separation of the Olmeqque machine. One segment destroys the outer Gate of the City of Gold. Mendoza, Pedro and Sancho seize their opportunity to enter. Inside the city, Kalmeque demands the secret of the Great Olmeque Inheritance. Fighting beaks out between the Olmeques and the children, but Mendoza comes to the rescue just in time to hold Kalmeque off the brave young people, Through treachery, however, Kalmeque knifes the High Priest in the back. Menator arrives and together the villains seize the Great Olmeque Inheritance, a vase like Tao's, set in a transparent column. In so doing , however, they set off a security device that proceeds to the destruction of the city. Menator is wounded but he and Kalmeque escape in their flying machine back to the Olmeque base. Our friends regroup and are overjoyed to be met by Wanacocha with Maina, who has brought Tao's vase, and by Pichu the parrot.