Partners in business, Mia Malkova and Natasha Malkova become sisters in bondage when they're surprised by thieves determined to get at the contents of their safe! After Natasha admits that the combination's in her office, she's ordered to tie and tape-gag lovely blonde Mia next to the safe, then accompany one of the thugs to retrieve the magic numbers! Mia Malkova struggles alone on the floor until Natasha returns; once the safe's opened, her step-sister rolls alongside her, similarly bound and gagged!