Franziska received 21 letters after her contact ad from a certain Fabian Stiller. The Munich waitress only finds out that his real name was Florian Haugk when her admirer is found dead.
Unfortunately the movie 21 Liebesbriefe is not yet available on HBO Max.
| Directing | Nina Grosse | Director |
| Costume & Make-Up | Mika Braun | Costume Design |
| Sound | Gregor Arnold | Sound Designer |
| Art | Marion Schubert | Production Design |
| Writing | Nina Grosse | Writer |
| Production | An Dorthe Braker | Casting |
| Production | Dieter Salzmann | Executive Producer |
| Sound | Holger Rogge | Sound Mixer |
| Sound | Frank Schreiner | Sound |
| Editing | Patricia Rommel | Editor |
| Sound | Sebastian Riegel | Sound |
| Camera | Benedict Neuenfels | Director of Photography |
| Art | Benedikt Herforth | Production Design |
| Writing | Friedrich Ani | Writer |
| Production | Oliver Berben | Producer |
| Sound | Marco Meister | Music |
