The Vow, (Books 1-3) - The Billionaire's Love Story, #3

She's falling deeper in love. He's getting over his tragic past. The future belongs to them. Or does it? When Tobias's vow to protect Savannah and Jacob is thwarted, she begins to question whether life with a billionaire is worth the risk. Increasingly concerned about her son, Savannah sidelines Tobias and grows increasing worried about Jacob's welfare. But Tobias always gets what he wants, and he is content to play the waiting game, secure in the knowledge that Savannah will come back to him.
Except that a secret from his past suddenly comes to light, threatening his happiness. Suddenly, the odds are stacked against him. But Tobias lost everything once before, and he won't make the same mistake again. Because sometimes you only get one chance to find your soulmate.