Her reputation has never been worse.

Their love fell apart and left them with a missing piece.

Can three broken hearts hold onto each other long enough to fight for their happy ending?

Recovering from a messy public breakup, lonely songwriter Tessa Reid flees the vicious British tabloids for New York. After sneaking out of a one-night stand, she discovers the tattooed man she left behind, and can't get out of her head, is her new neighbor, River Sage.

Hopeless romantic, River, lives next door with his best friend, and the man who broke his heart, Cassian King. After years of avoiding confronting their feelings, Tessa shows up and makes them question everything.

Sparks fly as a friends-with-benefits arrangement between the three quickly evolves into something deeper, blurring the lines between friendship and more. Used to outrunning the ghosts from their pasts, can Cass, River, and Tessa stop running from each other and learn to stay?

The Rule of Three is an adult, contemporary, friends (with benefits) to lovers, polyamorous romance novel.