De film is gebaseerd op het leven van de non Juana Ines de la Cruz, één van de grootste dichteressen uit het Mexico van de 17e eeuw. Door haar gedichten is ze de trots van het klooster. De komst van een nieuwe aartsbisschop zal haar leven echter voorgoed veranderen. Ze raakt verstrikt in een machtsstrijd tussen de aartsbisschop en de Spaanse landvoogd. Juana geniet de bescherming van de landvoogd en diens echtgenote, met wie zij een gepassioneerde vriendschap ontwikkelt. Dit alles is een doorn in het oog van de katholieke kerk, die haar met alle mogelijke middelen in het gareel probeert te krijgen. De landvoogd verliest uiteindelijk de strijd van de kerk en dit heeft grote gevolgen voor Juana.
Nee, helaas is Yo, la peor de todas nog niet beschikbaar op Netflix in Nederland.
| Art | Cristina Nigro | Set Decoration |
| Art | Esmeralda Almonacid | Production Design |
| Sound | Javier Salinas | Sound Re-Recording Mixer |
| Art | Voytek | Production Design |
| Sound | Jorge Stavropulos | Sound |
| Costume & Make-Up | Graciela Galán | Costume Design |
| Editing | Juan Carlos Macías | Editor |
| Production | Lita Stantic | Producer |
| Sound | Luis María Serra | Music |
| Directing | María Luisa Bemberg | Director |
| Production | Gilbert Marouani | Executive Producer |
| Camera | Félix Monti | Director of Photography |
| Writing | María Luisa Bemberg | Writer |
| Writing | Antonio Larreta | Writer |
| Writing | Octavio Paz | Novel |
| Directing | Marcelo Rembado | Assistant Director |
| Production | Marta Parga | Production Manager |
| Production | Miriam Bendjuia | Production Manager |
| Camera | Jorge G. Behnisch | Camera Operator |
| Costume & Make-Up | Mirta Blanco | Makeup Artist |
| Costume & Make-Up | Lilia del Valle | Assistant Makeup Artist |
| Costume & Make-Up | Eduardo Poli | Assistant Makeup Artist |
| Costume & Make-Up | Norberto Poli | Assistant Makeup Artist |
| Costume & Make-Up | Graciela Careli | Assistant Makeup Artist |
| Costume & Make-Up | Roberto Mohr | Hairstylist |
| Costume & Make-Up | Ernesto Ferreira | Hairstylist |
| Costume & Make-Up | José María Angelini | Assistant Hairstylist |
| Costume & Make-Up | Teresa Beatriz Landa | Assistant Hairstylist |
| Costume & Make-Up | Cristina Lavagna | Assistant Hairstylist |
| Costume & Make-Up | Aldo Losseti | Assistant Hairstylist |
| Costume & Make-Up | Angel Arzadun | Assistant Hairstylist |
| Art | Daniel Mora | Set Designer |
| Art | Gerardo Pietrapertosa | Set Decorating Coordinator |
| Art | Osvaldo Stracquadaini | Property Builder |
| Art | Santiago Elder | Assistant Production Design |
| Art | Diego Videla Gutiérrez | Assistant Production Design |
| Art | Alejandra Toronchik | Assistant Decorator |
| Art | Julio Gutiérrez | Assistant Decorator |
| Art | Marisa Centanin | Assistant Decorator |
| Costume & Make-Up | Mariana Polsky | Assistant Costume Designer |
| Costume & Make-Up | Cristina Tavano | Assistant Costume Designer |
| Camera | Andrés Mason | Focus Puller |
| Camera | Horacio Rayneli | Assistant Camera |
| Camera | Eduardo Grossman | Still Photographer |
| Production | Fabio Pallero | Production Assistant |
| Production | Barbara Sampietro | Production Trainee |
| Production | Marily Pugno | Production Trainee |
| Directing | Lelia Gonzalez | First Assistant Director |
| Directing | Alejandro Maci | First Assistant Director |
| Directing | Rodolfo Arze | First Assistant Director |
| Directing | Corina Conti | Assistant Director Trainee |
| Editing | Jorge Firdman | Assistant Editor |
| Editing | Marta Selvi | Negative Cutter |
| Sound | Pedro Marra | Sound Assistant |
| Lighting | Jorge Fernández | Lighting Manager |
| Lighting | Ricardo Ormello | Lighting Coordinator |
| Lighting | Aniano Arana | Electrician |
| Lighting | Héctor Álvarez | Electrician |
| Lighting | Carlos Saavedra | Electrician |
| Lighting | Federico Fernández | Electrician |
| Lighting | Miguel Zarkovich | Genetator Operator |
| Lighting | Edesio Imbert | Genetator Operator |
| Art | Eduardo Larrosa | Props |
| Art | Gustavo Larrosa | Props |
| Art | Juan Imbert | Props |
| Crew | Enrique Gandaras | Special Effects |
| Crew | Rodolfo Denevi | Special Effects |
| Crew | Hugo Sica | Special Effects |
| Lighting | Juan Fernández | Electrician |