Greta is a smiling and intelligent girl of eight years who lives in a beautiful and colorful villa in the middle of the mountains. One winter day, walking through the woods, Greta finds Snowy, a little white elephant who becomes her best friend.

To be able to get rid of the collector Elmer Bombastic, who is determined to add the exotic elephant to his collection of rarities, Greta and Snowy will be looking for the end of the rainbow, embarking on a fun trip through amazing places, where they will make great friends and live unforgettable adventures.