As Natalia and Paulina go to a sex trade show to learn more about intimacy, Monika embarks on her own quest to recruit subjects for their study.

Monika’s idea for gathering data is a hit, but Natalia isn’t happy with the results. The girls go to a class on female pleasure to gain more insight.

After getting an anonymous tip about the copulation lab, the dean investigates the girls’ project and threatens them with expulsion from the university.