Alien Domination: Part 1 - Seduced

Bryn, Della and Olivia, bored with their jobs, enter Andrea's outwardly ordinary sex shop to model for her website but soon find themselves drawn into bizarre episodes of bondage and humiliation. Andrea is one of a group who have come to Earth in mainly alluring and seductive female form, to investigate and experience human sexuality. Through Andrea, her unsuspecting subjects will be enticed into a secluded world of intrigue where voluptuous acts are contrived in a theatre of enchantment, blackmail and liberal use of the straitjacket.
Opposite to where they stood a log fire burned lively beneath a great wooden lintel. It illuminated a windowless, heavily beamed chamber where stood a number of stout, ornately carved wooden chairs with dark green cushions. It also illuminated, to the left of the room, the figure of a girl, her arms held above her head by steel cuffs and chains attached to the beam above, her legs held apart by cuffs and chains bolted to the floor.
She was almost naked and totally hairless from head to ankle-booted feet. Before her stood a black-gowned and cowled man, his left hand clasping her chin to push back her head, his right holding a short whip that swung at his thigh.'I just hope they're some of Andrea's mannequins, ' breathed Olivia.'They can't be, ' hissed Della, 'she's alive and so is he. Let's go before he sees us.''Go where?' breathed Olivia.
They were about to edge past the doorway when coldly startled by a voice from behind. 'Ah, the ladies have arrived and suitably prepared!'