A young couple, Pedro and Antônia, have their relationship weakening after meeting Luana. Romance, seduction, fear and anguish from the future are established in this story of liquid love.
Unfortunately the movie The Harmonica's Howl is not yet available on HBO Max.
| Camera | Ivo Lopes Araújo | Director of Photography |
| Directing | Bruno Safadi | Director |
| Editing | Guto Parente | Editor |
| Editing | Luiz Pretti | Editor |
| Production | Carol Benjamin | Producer |
| Art | Luísa Horta | Art Direction |
| Production | Rita Toledo | Executive Producer |
| Production | Leandra Leal | Producer |
| Writing | Bruno Safadi | Screenplay |
