The realization that acquired eternity tastes like loneliness didn’t come to Ksyusha right away. Marrying Koshchei, she expected they would live “long and happily.” But she suffers from unfulfilled motherhood, and Koshchei still tries to earn all the money in the world. And happiness leaks out of her life like water. Will Koshchei overcome his long-standing fears? Can Ksyusha believe again that they can be happy? Will they manage to preserve immortality, when a mysterious enemy never sleeps and has its own plans for eternity?