The dance studio is filled with the scent of sweat and sex as Samanta and Maria, still in their ballet shoes, are surprised by their friends Sara and Eli. The girls, unaware, continue their stretching routine, their shoes squeaking on the polished floor. Suddenly, a warm, sticky sensation in their shoes and lingerie reveals the secret: Sara and Eli have left their mark, cumming in their shoes and on their intimate apparel without the others knowing.