Lucas and Katherine enter into the perfect arrangement to fulfill their sexual needs, but what happens when their hearts get in the way?Shy, awkward receptionist Katherine Sierra wants to explore her sexually submissive side. Although new to the BDSM world, she’s eager to learn. When she attends a play party and submits an application to one of the most experienced Doms in the room, she has no idea what she’s gotten herself into. Successful businessman and hardcore Dominant Lucas Cain knows his way around a playroom and doesn’t normally take on brand new subs. He’s apprehensive about training someone so innocent, but the more time he spends with Katherine the more intrigued he becomes. She may be everything he’s been searching for.But when Lucas requests that Colin, his friend and mentor, join them in the playroom for an evening of fun, it just might change everything.Has Lucas broken his own rule and fallen in love with his sub?Content Warning: strong language, graphic sex, BDSM themes