Tvillingerne har delt deres fælles fødselsdagsfest i to forskellige fester, men nu skal vennerne fra klassen inviteres hurtigst muligt. Men, hvordan inviterer man folk, der er nøgne i fællesbadet?
The twins have shared their common birthday parties in two different parties, but now friends from the class should be invited as soon as possible. But how do you invite people who are naked in the communal bath?