This is what I know: I was walking on the beach with Emma. It was cold and very foggy. She let go of my hand. I stopped to photograph a baby seal, then glanced up toward the Great Highway. When I looked back, Emma was gone. From this moment, unfolds the spellbinding story of Abby Mason. — photographer, fiancé, soon-to-be-stepmother — and the consequences of her greatest error. A riveting drama of how life can change in an instant, of a family torn apart by the search for the truth behind a child’s disappearance, and of one woman’s unwavering faith in the power of love.