Hayley Hancock heads back to Rochester, Minnesota, for her high school best friend Cheyenne Cox's wedding. But returning to Cheyenne's world is like stepping into a different dimension.  The Cox family oozes old money, and Hayley can already feel the judgmental stares and thinly veiled condescension. She needs a lifeline, a distraction, anything to make it through this ordeal with her sanity intact. And then she sees him.

Connor Cox. Cheyenne's younger brother.

No longer the bothersome teenager she once knew, Connor has transformed into a striking, confident drummer. The attraction is instantaneous, a magnetic pull that neither of them can deny. As wedding week unfolds, stolen glances turn into lingering conversations, innocent touches become electric sparks. They find solace in each other's company, a shared understanding that transcends the social barriers that separate them.

But a romance between Hayley and Connor is complicated, to say the least. Cheyenne, caught up in her own wedding whirlwind, is oblivious to the simmering chemistry between her best friend and her brother. The Cox family, with their rigid expectations and judgmental eyes, would never approve of Hayley. And Connor, despite his undeniable attraction to Hayley, has responsibilities and commitments.

Will their star-crossed romance blossom despite the weight of social expectations?

Get ready for a steamy, heartwarming, and utterly addictive story about unexpected connections and the courage to defy expectations. My Best Friend's Brother is a rollercoaster of emotions, filled with, sizzling chemistry and a love that just might conquer all.