All the movies of The Bear include "The Bear: Wild Continent", "The Bear: The Treasure Hunt", "The Bear: The Bear Wind in the Snow Ridge", "The Bear: Metamorphosis", "The Bear" "New Year's Goods from Bear", "Bear from Bear: Return of Bear's Heart", etc.

The film "The Return of Bear Heart" mainly tells the story of Xiong Da, who was washed away by a mudslide and was rescued and taken in by the circus. Xiong Da started a new life as a circus star and faced the mysterious disappearance of forest animals. A story about crisis and the secret behind the circus making choices.

Every year before the rainy season, Big Bear leads the animals to repair and strengthen the Gou Xiong Ridge dam. However, the small animals are lazy and procrastinate, making Big Bear increasingly dissatisfied. One day, there was a sudden heavy rain and the dike collapsed. Xiong Da left his home angrily, but unexpectedly he was swept away by a mudslide.

When it woke up, it found itself in a down-and-out circus. An accidental performance saved the day, allowing Bear to be left behind and become a member of the circus. At the same time, the animals in the forest mysteriously disappeared one after another.