Introduces the public to the ecology, habits and characteristics of butterflies through observation. Yangmingshan National Park's natural habitat has nurtured a rich variety of species. This film emphasizes the unique characteristics and attraction of the park's butterflies. The park's natural environment and habits of the butterflies are closely related. This reveals the tightness of nature's relationships; a single change in one species or in some aspect of environment affects every single other species. The park hope to advocate the importance of ecological conservation through this DVD.