Rebeca vermoordt haar zus Adriana om te eindigen met de man van wie ze hield, en wordt de stiefmoeder van haar nichtje Lucía. Nora, Lucía's halfzus en dochter van Rebeca, heeft een hekel aan Lucía om dezelfde redenen waarom Rebeca Adriana haatte, terwijl de geschiedenis zich herhaalt.
| Writing | Cuauhtémoc Blanco | Writer |
| Writing | María del Carmen Peña | Writer |
| Directing | Francisco Franco Alba | Director |
| Production | Roberto Gómez Fernández | Executive Producer |
| Production | Georgina Garibay | Executive In Charge Of Production |
| Lighting | Juan Carlos Luna | Lighting Technician |
| Art | Jimena Galeotti | Art Direction |
| Costume & Make-Up | Elsa Dector | Hairstylist |
| Directing | Mariana Achcar | Continuity |
| Art | Gerardo Nieto | Assistant Director of Photography |
| Editing | Julio Abreu | Editor |
| Costume & Make-Up | Adriana Hernández | Makeup Artist |
| Art | Carlos Sánchez Zúñiga | Assistant Director of Photography |
| Costume & Make-Up | Silvia Terán | Costume Design |
| Costume & Make-Up | Nancy Villegas | Hairstylist |
| Directing | Luis Alberto Marín | Assistant Director |
| Camera | Mauricio Villanueva | Camera Operator |
| Crew | Luis Arturo Rodríguez | Cinematography |
| Costume & Make-Up | Dulce Flores | Makeup Artist |
| Art | Germán Paredes | Set Designer |
| Camera | Mario Solorzano | Camera Operator |
| Writing | Claudia Velazco | Writer |
| Crew | Vivian Sánchez Ross | Cinematography |
| Costume & Make-Up | Yesenia Trejo | Hairstylist |
| Writing | Gabriela Ruffo | Writer |
| Production | Silvia Cano | Associate Producer |
| Crew | Juan Manuel Vilchis | Stunt Coordinator |
| Camera | Juan Carlos Sánchez | Camera Operator |
| Production | Marilú Carrillo | Casting |
| Production | Alberto Quintero | Production Coordinator |
| Directing | Juan Pablo Blanco | Director |
| Editing | Juan Franco | Editor |
| Crew | Jorge Salmay | Additional Music |
| Directing | Carmen García | Continuity |
| Production | Hector Villegas | Production Consultant |
| Editing | Juan José Segundo | Editor |
| Production | David Chávez | Production Manager |
| Sound | Carlos Zarate | Boom Operator |
| Sound | Alfonso Matehuala | Music Editor |
| Production | Jesús Gómez | Production Assistant |
| Art | Esperanza Carmona | Set Decoration |
| Art | Ángeles Márquez | Set Designer |
| Sound | Carlos Páramo | Music |
| Costume & Make-Up | Jessica Ramírez | Makeup Artist |
| Crew | Odin Ayala | Stunt Double |
