The story of how the conflicting relationship of Eduardo and vaudeville actress Isabel is affected by the passion he feels for their neighbor, Mariana, a young overprotected, and the unexpected visit of his uncle Plácido, a moral teacher.

A man afflicted by an inferiority complex, is helped out by his comrades to pass the tests to enter the navy. A girl accepts to show a fake love interest in him as part of the plan, and ends up really enamoured.