I'm not a BDSM specialist so I lack the skills to write this but if there are any budding E L Jameses out there...
Caught by a sudden torrential downpour, an attractive and streetwise but impecunious young woman takes refuge in a bar. Utilising her flirting skills to the maximum, she elicits a steady supply of drinks from the patrons.
When the storm ends, the woman makes to leave but an imposing man intercepts her. "You've been bought a drink by every man here. Surely you wouldn't leave without letting me buy you one too?" Rather than make a scene, the woman reluctantly accepts.
She wakes up to find herself locked in a dungeon. "Now you're going to pay for all those free drinks," says the imposing man. "Our BDSM Club is going to use you as their plaything. Each member will have you for 45 minutes, after which you'll get a 15 minute recovery period before the next. You will suffer no penile penetration or permanent damage and you'll be released after everyone's had their turn."
During her ordeals the woman pleads for mercy, claiming that it's all a mistake and she's down there against her will. Since she doesn't use the 'safe word' the imposing man notified them, the BDSM inflictors assume it's all an act and treat her even more harshly.
Possible ordeals: whipping, electrostimulation, anal and bladder enemas, fisting, multiple vibrators, outsized dildos, weights hung off nipples and labia, tickling, hot and cold baths.
AJ