Dr. Johannes Krafft climbs a 12,000-foot mountain over and over again to search for his wife, who was lost on their honeymoon. Another couple makes the dangerous climb with him.

A young Italian girl living in the Dolomites falls in love with a member of a tourist party skiing on the nearby mountains.

In the mountains, Diotima meets Karl and fall in love and have an affair. Karl’s friend Vigo mistakenly believes she’s in love with him, causing rifts in all relationships.