Martha is a single woman who becomes pregnant and commits suicide after giving birth to a pair of twins, Jessica and Angelica, who are adopted separately. Years later, Angelica becomes a lawyer working for the mafia. Jessica, who was adopted by a prostitute, has become a criminal and is now arrested for the murder of her husband. In prison she tries to be friends with the director without success and she has to pay her sentence.
| Actor | Role |
|---|---|
 Angélica ChainJessica / Angélica | Jessica / Angélica |
 Hugo StiglitzMarcelo | Marcelo |
 Pedro Infante Jr.Fulvio, the Warden | Fulvio, the Warden |
 Lina SantosMartha, Marcelo's Lover | Martha, Marcelo's Lover |
 Jeannette MassInmate | Inmate |
 Jacaranda AlfaroInmate | Inmate |
 Ana Luisa PeluffoInmate | Inmate |
 Lorena HerreraInmate | Inmate |
 Michelle MayerInmate | Inmate |
| AAlicia CampsInmate | Inmate |
| OOralia OlveraInmate | Inmate |
| CClaudio BáezNot listed | Not listed |
 César BonoNot listed | Not listed |
 Roberto BallesterosDaniel, Chief of the Guards | Daniel, Chief of the Guards |
| RRoberto PalazuelosNot listed | Not listed |
| AAgustín GonzálezNot listed | Not listed |
| CClarissa AhuetNot listed | Not listed |
| TTito GuillénNot listed | Not listed |
| IIvonne CussyNot listed | Not listed |
| HHéctor ReynosoNot listed | Not listed |
| MMario del RíoNot listed | Not listed |
| AAntonio ZubiagaNot listed | Not listed |
| AAntonio TostadoNot listed | Not listed |