Harmony leads a secret life. On the surface, she's a respectable, straight-laced professional. But once a year, she reunites with her old college friends--the infamous Group of Six--for a decadent sexual free-for-all. Here, there are no limits. Nothing is forbidden as they push every boundary to reach dizzying new heights of pleasure. But this year, Harmony has a serious boyfriend in her life…and he has no idea about her naughty annual retreats. Now Aiden is about to enter an intoxicating new world of explosive sensuality and mind-blowing group sex. But can their relationship withstand Harmony's wild side? And when an old friend reveals his true feelings for Harmony, how far is Aiden willing to go to win her heart?