This iconic Russian fairy tale introduces the infamous Koschei the Deathless, a figure from Slavic folklore with a renowned "inability to die." After Ivan Tsarevich mistakenly frees Koschei from the makeshift prison the princess Marya Morevna entrapped him in, the tables turn, and a seemingly endless chase ensues. The question for Ivan: how far does Koschei's immortality extend, and how will he and Marya Morevna discover Koschei's weakness and regain a true freedom? Tune in to find out.