Struggling single mother Rosa Santos is deeply touched when volunteers band together to build her a home. With a waitressing job, community college and church, Rosa barely has time to help, let alone dream about a husband and father figure. But when handsome volunteer Marc Chambers hands her withdrawn young son a little hammer, her heart swells. Suddenly, her son is blossoming. But the closer she and Marc get, the more he pulls away. Why? He's built her a shelter of hope. One she—and her son—pray he'll take refuge within....