Spain, 16th century. The beautiful Dona Sol inspired a deep passion in Hernani, banished from the kingdom. Unable to live without her, he defies the ban and finds her in secret. Several rivals threaten the idyll. She is to marry her uncle, Don Ruy Gomez, and is also loved by the young King of Spain himself, Don Carlos.

The widow Champbaudet believes herself loved by an architect. But the young man actually has views on the neighbor upstairs. Cunning, he multiplies his visits to the widow with the sole aim of getting closer to the beautiful Aglaé. It was without counting on the husband of this one, whose jealousy could well play nasty tricks on the heartthrob of these ladies!