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.

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.

Hannes is employed at the Mont Blanc Observatory; the only outside connection is a pilot and Hella over the radio. Hella ascends the mountain but her father dies along the way.

Struggle for the Matterhorn (German: Der Kampf ums Matterhorn) is a 1928 German-Swiss silent drama film co-directed by Mario Bonnard and Nunzio Malasomma and starring Luis Trenker, Marcella Albani, and Alexandra Schmitt. The film is part of the popular cycle of mountain films of the 1920s and 1930s. Art direction was by Heinrich Richter. Based on a novel by Carl Haensel, the film depicts the battle between British and Italian climbers to be the first to climb the Matterhorn. Trenker later remade the film as The Challenge in 1938.