In a small high school, Benito, the lonely physics teacher, falls madly in love with Lola, the new substitute biology teacher. Benito asks Gonzalo, the grumpy old music teacher, to help him teach him a song to sing as a serenade at the end-of-year fair.
| Actor | Role |
|---|---|
 Armando EspitiaBenito | Benito |
 José SefamiGonzalo | Gonzalo |
| FFrancia Castañeda TlapancoLola | Lola |
| FFrancia CastañedaNot listed | Not listed |