In a twisted family ritual, a perverted stepmom initiates her 18-year-old stepdaughters into the world of cock sucking. The petite teens, wide-eyed and nervous, watch as she demonstrates, her lips wrapping around a throbbing shaft. Following her lead, they timidly take their first penises into their mouths, their tongues tentatively exploring the unfamiliar terrain. The air is thick with the scent of sex and the sounds of their struggle to please.