Based on the play Der Erdgeist by Frank Wedekind.

An elderly man looks to a mysterious old woman to help him regain his youth, but the woman has her own agenda.

Captain Bryde, who is a guest of young Percy, Duke of Glauburne, rescues the artist Maud and her bear Jimmy, the only survivors of a shipwreck. Maud and her bear find shelter in the Duke's castle, but immediately arouse the jealousy of Percy's girlfriend Ethel