Seriously ill, concert pianist Karen Duncan is admitted to a Swiss sanitorium. Despite being attracted to Dr Tony Stanton she ignores his warnings of possibly fatal consequences unless she rests completely. Rather, she opts for a livelier time in Monte Carlo with dashing Paul Clermont.

Captain Ralls fights Dutch shipping magnate Mayrant Sidneye for the woman he loves, Angelique Desaix, and for a fortune in gold aboard the Red Witch.

During WWII, a platoon of American soldiers trudge through the Italian countryside in search of a bridge they have been ordered to blow up, encountering danger and destruction along the way.