Soviet cartoon adaptation of Hans Christian Andersen's fairy tale.
Defending a friend, duckling is attacked by fox and must learn to survive.
In winter, in an unequal battle with the Wolf, the mother of a puppy named Krepysh dies. Poor, half-frozen orphan Krepysh is sheltered by Zaychikha. The whole winter was spent by the puppy in the family of rabbits, bravely defending his new friends from forest predators.
