Dying, Sheikh Abdullah handed over to his sons the main shrine of the ancient Aryan tribe - the dagger of the kings-priests, which gives great power over the peoples of the earth. He deliberately separated the blade and scabbard, fearing that the enormous power hidden in the combination of these two artifacts would become subject to the control of a random person. Then the paths of the sheikh's heirs diverged. Since then, the struggle for possession of the sacred blade, reminiscent of an elegant tree leaf, has flared up in earnest. Nowadays, he is being hunted by a mysterious unknown person, whose appearance and voice are instantly forgotten by all his interlocutors after the meeting. And those who stand in the way of the “invisibility” are found dead...