"21 Days" illustrates a love triangle starring Bete, her boyfriend, Jonas and Agatha, a childhood friend of Jonas. Told from three different points of view, the narrative was inspired by the songs "cardigan", "august" and "betty", from the album "folklore" by singer Taylor Swift.
| Directing | Beatriz Maria | Director |
| Directing | Felipe Carvalho | Director |
| Production | Beatriz Maria | Executive Producer |
| Production | Lorena Pionti | Producer |
| Production | Giulia Loturco | Executive Producer |
| Writing | Giulia Loturco | Writer |
| Writing | Pedro Salorno | Writer |
| Art | Felipe Carvalho | Art Direction |
| Art | Giulia Loturco | Art Direction |
| Art | Pedro Salorno | Art Direction |
| Camera | Lya Lopes | Director of Photography |
| Camera | Giovana Khalil | Director of Photography |
| Lighting | Caíque Aquilino | Lighting Coordinator |
| Costume & Make-Up | Alice Alves | Makeup & Hair |
| Editing | Mari Segretto | Editor |
| Camera | Pedro Salorno | Assistant Camera |
| Camera | Thiago Gois Paulo | Assistant Camera |
| Sound | Nathalia Guirge Zanardo | Music |
| Production | Lorena Pionti | Casting |
| Production | Thiago Gois Paulo | Extras Casting |
| Production | Beatriz Maria | Extras Casting |
| Production | Lorena Pionti | Extras Casting |
| Production | Juliana Varella | Extras Casting |
| Production | Henrique Petrica | Extras Casting |
| Production | Caíque Aquilino | Extras Casting |
| Production | Giovana Khalil | Extras Casting |
| Production | Pedro Salorno | Extras Casting |
| Production | Felipe Carvalho | Extras Casting |
| Production | Amanda Marques | Extras Casting |
| Production | Gustavo Rock | Extras Casting |
| Production | Thaiane Barros | Extras Casting |
| Production | Giovanna Morais | Extras Casting |
| Writing | Taylor Swift | Original Story |
