When Abby was a sophomore in high school, she and her mom heard a news story about a young man who’d been critically injured in a plane accident—an accident that took the lives of his father and stepmother. Although they didn’t know this person, Abby’s mom said, “We just need to pray for him and his family.” And they did.

Fast forward a few years, and one day Abby walked into a class at her university. A male student offered her the seat next to him. That student was Austin Hatch, the plane crash victim Abby had prayed for. Soon they…