In a quiet European forest, a brave young boy named Peter lives with his grandfather, an elderly man who fears the wild creatures that roam near their home. One day, while Peter is playing in the field, he decides to free a little bird he had caught in a trap, setting off the beginning of an extraordinary adventure. The little bird's freedom, which becomes his friend, paves the way for the appearance of a cunning wolf that threatens the peace of the forest.
Despite his grandfather's warnings, Peter is undeterred and sets off in search of the wolf. With the help of his friends, a somewhat clumsy duck and a very clever cat, they devise a plan to catch the fierce predator. Meanwhile, the wolf stealthily moves about, leaving tracks as it waits for the perfect opportunity to strike.
The animal community rallies together in this thrilling conflict, showcasing a display of bravery and cunning. Armed with wit and determination, Peter confronts the wolf in an exciting showdown that tests not only his courage but also challenges the rules imposed by his grandfather. Amid vibrant music and captivating animations, a story unfolds about growth, friendship, and the struggle between good and evil, where a young boy demonstrates that even the smallest can make a big difference.