The kind-hearted witch Athena has taken in many injured animals, including Tom and Jerry. However, due to her identity as a witch, Athena is ostracized by the elves and can only live alone in a small wooden cabin. At this time, Athena's aunt, an evil witch, seeks to gain immense power through a dragon's egg in order to take revenge on the villagers who expelled her. But by a twist of fate, Tom ends up finding the dragon's egg. How will the story unfold from here?