A young girl is cast for a musical comedy, but she refuses after her father doesn't let her play in it. After that, more offers emerge, along with a hit song dedicated to her from a infatuated admirer.

The school year is inaugurated by teacher Socrates with an extemporary exam on the theme "How would I like to be the class headmaster?". Socrates' popularity worries the math teacher, Isoscel. But Socrates also has his worries about Anca, his daughter in love.