This book is about the life of one wolf: her growing up and becoming a real hunter. At the same time, another story is unfolding in the taiga, connected with the arrival of a ten-year-old boy, Ivan, from the city. Together with his mother, he finds himself in a remote village where his grandfather, a former hunter, lives. The old man does his best to help his grandson get comfortable in an unfamiliar place. Ivan and the she-wolf Thunderstorm are destined to meet. What this acquaintance will bring them - time will tell.