María M. is a prostitute from the Ciudad de Buenos Aires. She has sex and love relationships with several men, until she meets the one she thinks will be the love of her life. From that moment he decides to reform and start a new life, but fate has a bitter disappointment in store for him.
| Actor | Role |
|---|---|
 Libertad LeblancMaría M. | María M. |
 Gloria GuzmánNot listed | Not listed |
 Fernando SiroNot listed | Not listed |
 José María LanglaisNot listed | Not listed |
 Ignacio QuirósNot listed | Not listed |
| AAldo KaiserNot listed | Not listed |
 Emilio ComteNot listed | Not listed |