The Sinner's Secret: An enemies to lovers romance (Bad Billionaires, 3) by Kira Sinclair

“You know nothing about me, sweetheart…” Some call billionaire Gray Lockwood a sinner. He knows he was imprisoned for a crime he didn’t commit. Now he needs Blakely Whittaker—the gorgeous straitlaced accountant whose testimony sent him to jail—to clear his name. The line between enemies and white-hot passion is dangerously thin… Will crossing it cost Gray the justice he desires? Or will Blakely uncover all his secrets and become his scandalous undoing once again? From Harlequin Desire: A luxurious world of bold encounters and sizzling chemistry. Bad Billionaires Book 1: The Rebel's Redemption Book 2: The Devil's Bargain Book 3: The Sinner's Secret