Sofía hesitated for only a moment before taking his hand. The warmth of his grip seemed to melt away some of the fear that gripped her heart. Mr. Miller led them back to his car, opened the door, and helped the small family inside.

As the car rolled toward a nearby pediatric clinic, Mr. Miller made a phone call. By the time they reached the clinic, a pediatrician was already waiting, ready to examine Lucas and Mateo.