The adolescent Melli moves from the monastery to a big city. Since she is not very popular and is considered a gray mouse, she wants to be part of the popular girls' clique of the school. In the new environment she falls in love with Roque.
| Actor | Role |
|---|---|
 Josefine PreußMelanie 'Melli' Mueller | Melanie 'Melli' Mueller |
 Laura OsswaldLondon | London |
| KKarolin OesterlingPalma | Palma |
 Fiona ErdmannFulda | Fulda |
 Axel SteinLehrer Mattuschek | Lehrer Mattuschek |
 Dan van HusenRoques Vater | Roques Vater |
 Klaus StiglmeierTrainer Miensmann | Trainer Miensmann |
| KKristina WalterRenate Müller | Renate Müller |
 Daniel FliegerTobi | Tobi |
| PPhilip HagmannBernd | Bernd |
 Anja KimmelmannBibliothekarin | Bibliothekarin |
| TTom MandlBrad | Brad |
| MManuel CortezRoque | Roque |