When the fearsome Tugarin the Serpent steals the city's gold, the young hero Alyosha Popovich sets out on a daring quest to recover the treasure and bring the villain to justice. Along the way, he is joined by an unlikely group of companions: his loyal mentor Tikhon, a talking horse named Julius, the wise grandmother Babusya, a mischievous donkey, and the beautiful Lyubava. Together, they embark on an adventure filled with unexpected challenges, humor, and heroic deeds.