After her mother’s death, Amalia learns that her husband is having an affair. But when he mysteriously dies a few days later, the young widow, obsessed by her late husband’s mistress, succumbs to bloodthirsty madness.
| Directing | Omar Rodriguez-Lopez | Director |
| Writing | Omar Rodriguez-Lopez | Writer |
| Production | Omar Rodriguez-Lopez | Producer |
| Production | Johan Sherrer | Executive Producer |
| Production | Adam Thomson | Co-Producer |
| Production | Chris Lewels | Line Producer |
| Production | Ramón Villa | Production Manager |
| Production | Alfonso Duarte | Production Coordinator |
| Production | Carlos Corral | Location Manager |
| Production | Marfred Rodríguez López | Production Trainee |
| Crew | Nora Aguirre | Production Intern |
| Crew | Rikardo Rodríguez López | Production Intern |
| Crew | Nini Blanco | Cinematography |
| Lighting | Víctor Amparan | Gaffer |
| Costume & Make-Up | Marissa Garcia | Makeup & Hair |
| Crew | Gamaliel de Santiago | Special Effects |
| Crew | Iñaki Legaspi | Special Effects |
| Art | Alex Lomeli | Art Direction |
| Art | Leti Peña | Art Direction |
| Art | Jason Carranza | Art Direction |
| Editing | Adam Thomson | Editor |
| Sound | John Cruz | Music Supervisor |
| Visual Effects | Hitoshi Inoue | Visual Effects |
| Visual Effects | Keeley Davis | Additional Visual Effects |
| Editing | Brian Thompson | Colorist |
| Sound | Bernat Fortiana | Production Sound Mixer |
| Sound | Andrew Spence | Sound Mixer |
| Sound | Andrew Spence | Sound Designer |
| Sound | Jonathan Debaun | ADR Recordist |
| Crew | Alma Zayas Perez | Score Engineer |
| Sound | Leo Genovese | Musician |
| Sound | Jonathan Debaun | Orchestrator |