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.
| Production | Roberto Gómez Fernández | Executive Producer |
| Writing | Cuauhtémoc Blanco | Writer |
| Directing | Francisco Franco Alba | Director |
| Writing | María del Carmen Peña | Writer |
| Directing | Juan Pablo Blanco | Director |
| Editing | Juan Franco | Editor |
| Production | David Chávez | Production Manager |
| Editing | Juan José Segundo | Editor |
| Costume & Make-Up | Silvia Terán | Costume Design |
| Costume & Make-Up | Nancy Villegas | Hairstylist |
| Sound | Carlos Páramo | Music |
| Costume & Make-Up | Jessica Ramírez | Makeup Artist |
| Lighting | Juan Carlos Luna | Lighting Technician |
| Crew | Luis Arturo Rodríguez | Cinematography |
| Art | Germán Paredes | Set Designer |
| Art | Gerardo Nieto | Assistant Director of Photography |
| Art | Jimena Galeotti | Art Direction |
| Costume & Make-Up | Elsa Dector | Hairstylist |
| Costume & Make-Up | Adriana Hernández | Makeup Artist |
| Crew | Vivian Sánchez Ross | Cinematography |
| Costume & Make-Up | Yesenia Trejo | Hairstylist |
| Sound | Carlos Zarate | Boom Operator |
| Sound | Alfonso Matehuala | Music Editor |
| Camera | Mauricio Villanueva | Camera Operator |
| Production | Marilú Carrillo | Casting |
| Crew | Jorge Salmay | Additional Music |
| Production | Hector Villegas | Production Consultant |
| Writing | Gabriela Ruffo | Writer |
| Production | Silvia Cano | Associate Producer |
| Costume & Make-Up | Dulce Flores | Makeup Artist |
| Crew | Juan Manuel Vilchis | Stunt Coordinator |
| Production | Alberto Quintero | Production Coordinator |
| Directing | Mariana Achcar | Continuity |
| Production | Georgina Garibay | Executive In Charge Of Production |
| Camera | Mario Solorzano | Camera Operator |
| Camera | Juan Carlos Sánchez | Camera Operator |
| Art | Esperanza Carmona | Set Decoration |
| Directing | Carmen García | Continuity |
| Editing | Julio Abreu | Editor |
| Art | Ángeles Márquez | Set Designer |
| Art | Carlos Sánchez Zúñiga | Assistant Director of Photography |
| Production | Jesús Gómez | Production Assistant |
| Writing | Claudia Velazco | Writer |
| Directing | Luis Alberto Marín | Assistant Director |
| Crew | Odin Ayala | Stunt Double |
