A 17th century woman, imprisoned for fighting in a bar, recounts her past to a priest. She tells of her father teaching her how to fence, of being sent to a convent by her aunt when her father died, of escaping by dressing as a man, and of her life as a man following the escape.
María Félix
as Catalina de Erauso
Ángel Garasa
as Roger
José Cibrián
as Juan de Aguirre
Delia Magaña
as Elvira
José Pidal
as Don César, canónigo
Fanny Schiller
as Doña Úrsula
Paco Fuentes
as Don Miguel de Erauso
Eugenia Galindo
as Doña Cristina
Esther Luquín
as Beatriz
Maruja Grifell
as Reverenda madre
José Goula
as Don Claudio
Lauro Benítez
as Don Indalecio
