"Holy Smokes. I'm A Father." Sabrina McKinley broke Jonas' heart when she left him for another man. Then the eldest Callahan brother gets the surprise of his life when he sees her again…holding his son. Even at six months, his bouncing baby boy was wearing the legendary Callahan smile! Which means Sabrina has got to marry him, even if Jonas has to drag her to the altar. Sabrina's been head over heels for the hunky cowboy doctor since the day she first came to Rancho Diablo; it's always been Jonas keeping her at arm's length. She won't settle for anything less than the real deal—the love and happiness that Jonas' five brothers have found. But when a revelation about a family secret comes out, Sabrina can see Jonas is ready to look toward the future. He won't be the last bachelor on the ranch. After all, he's a Callahan!