According to Egyptian mythology, Ka is a life force that exists separately from its “master”. These are not the people themselves, but their materialized souls. On the one hand, this is a story about how the ancient Egyptian Pharaoh Akhenaten transmits his Ka to the main character, the Poet. On the other - the love story of Leyli and Medlum, the heroes of the poem of the same name of Khlebnikov. Like the eastern and western stars, they are found in the sky.

A cold and calculating world, filled with a thirst for revenge and fueled by cunning, took up arms against a young and very fragile love. The intertwining of the destinies of two families and a chain of tragic accidents lead to an unexpected outcome.

In present day St. Petersburg, police major Igor Grom, an honest and skilled cop with unconventional methods, pursues a vigilante murderer in the mask of a plague doctor.