The Beauty and the Boxer by Matilda Madison

Meredith Taylor is desperate for a more independent life, but when her brother-in-law suggests she invest with Jack Archer, a famed former boxer turned businessman, Meredith begins to have second thoughts.
Jack Archer isn’t thrilled to be burdened with Meredith’s paltry investment, but he is intrigued by her. As a lady of first society, she doesn’t act like it and the reason is a mystery. Soon, a sizzling connection sparks between the two, neither Jack nor Meredith can deny it.

Yet when a secret from Meredith’s past threatens to come back and ruin her, will she be able to trust the Beast of Burnwall with everything, including her heart?