Woman prostitutes herself to the man who murdered her fiance, to get evidence of his guilt and bring him to trial.
| Actor | Role |
|---|---|
 Rosario GranadosMaría | María |
 Carlos López MoctezumaCésar Villa | César Villa |
 Rubén RojoFelipe Rivas | Felipe Rivas |
 Luis BeristáinManuel Andrade | Manuel Andrade |
 Gilberto GonzálezLuis Cortés | Luis Cortés |
| RRoberto Y. PalaciosLee | Lee |