The twins Willy and Lilly, beings of unusual beauty and supernatural powers, are the Children of Light. Lilly wants to meet people directly, to live in their midst, and convinces her brother to move to Bucharest. Here, the two meet Alexandra, the daughter of an unscrupulous businessman. Although at first Willy does not agree with their involvement in the problems of mortals, at Lilly's insistence he accepts a marriage of convenience with Alexandra, in order to get her out of her father's destructive clutches.
Crimes, hypocrisy, wickedness pervade the city and the rest of the country. Lilly commits herself to destabilise the dark pyramid. But in the depths of the earth, sitting on his dark throne, Willwolf ? supported by the Great Enlightened, makes plans to attack, waiting for the right moment to surprise his brother and grandchildren.