The women in the Naughty Book Club - Naomi, Kennedy, Mira and Tyler - will go to any length to satisfy their desires. Naomi, a suburban housewife, is stuck in a loveless, sexless marriage. Mira, the seemingly conservative CEO, has a wild side that could ruin not only her professional reputation but also her relationship with her partner Sam. Kennedy, a flight attendant, is tired of looking for love in the wrong places, but the mystery man seated in first class might be just what she needs. And when Tyler comes home early from her latest design assignment, she discovers her girlfriend in bed with a man, and it's all she can do to keep it together. Here, they each begin their journey at The Black Door club, a place of passionate desires and forbidden pleasures, where there are no shades of grey. But each soon comes to learn the repercussions these new-found experiences might have . . .