The plans of the ruler of the Empire did not come true. The magical Keys of power, which she, dying, entrusted to her children, brought to the country not unity, but discord and bloody conspiracies. The bearer of the Key of the Sword, the warrior princess Ariva, who, with the help of her entourage, destroyed her older brother, the owner of the Key of the Scepter, took his place on throne...The bearer of the Key of Healing, the magician, healer and sage Olio plunges deeper into the abyss of madness...The youngest of the brothers, the young prince Linan, the bearer of the mysterious Key of Unity, is trying to overthrow his usurper sister with the help of the primordial enemies of his own people - the nomadic Chetts...And for The confrontation between people is vigilantly monitored by vampires, part of whose blood flows in Linan’s veins...