Word of the "sex school" gets out as a new head teacher tries to control a rambunctious student body and Otis attempts to hide his secret hookup.

Otis finally loosens up—often and epically—but the pressure’s on to perform as chlamydia hits the school and mates struggle with new issues.

Insecure Otis has all the answers when it comes to sex advice, thanks to his therapist mom. So rebel Maeve proposes a school sex-therapy clinic.