Mytyl and her brother Tyltyl, a woodchopper's children, are led by the Fairy Berylune on a magical trip through the past, present, and future to locate the Blue Bird of Happiness.

In a distant kingdom a great king has died, leaving his daughter, Snow White (Carol Heiss), vulnerable to the whims of his successor, the Evil Queen (Patricia Medina). To secure her crown, the queen orders her squire to murder the young princess. But the...