She was holding her kids’ hands in the pouring rain with nowhere to go… then a stranger led her to a tiny house that would change their lives forever.

On a stormy evening in early spring, 32-year-old Hannah Collins stood on the sidewalk with her two children, ages six and four, clutching their small hands as rain poured down in sheets. Their backpacks were soaked, their shoes squelched with every step, and Hannah’s mind raced with a single thought: Where will we sleep tonight?…