Two Brazilian sisters, novinhas with insatiable curiosity, find themselves alone in the house. Boredom turns to mischief as they start exploring each other's bodies, their fingers tentatively tracing lines down smooth skin, pausing at the edge of panties. The older sister, sapeca and daring, takes the lead, sliding her hand into her younger sibling's panties, feeling the wet heat. They gasp, their innocence giving way to new sensations, as they learn the secrets of each other's bodies in this taboo dance.