Three big-breasted sisters with completely different personalities. The older sister is a hottie slut, but the two younger sisters are serious and passive around men. Worried about her sisters, the naughty older sister tells them that since they have big breasts, they should have sex with a lot of different men, otherwise they'll waste them. She forces them to watch her having sex, getting them in the mood, and sends her sex friends over to the sisters, who can't calm down from their arousal...