In the eerie silence of the nuthouse, the nympho's cries of pleasure and pain mingle with the clanking of chains. As the doctor orders her onto the bin, she obeys, her ass pointed towards him. With a gleam in his eye, he lubes up and pushes his massive cock into her waiting, eager hole. The nympho moans, feeling every inch of him as he starts to fuck her hard, his balls slapping against her ass. He pulls out, telling her to lick her ass juices off his cock before plunging back in, deeper this time, her screams of ecstasy filling the madhouse.