"Twenty years ago, a nine-year-old boy was swept away by powerful waves on a remote Oregon beach, his body lost to the sea. Only a stone memorial remains to mark his tragic death. For most of her life, Amanda Dufresne had no idea she had an older brother named Dennis Owens, or that he had died. Adopted as a baby, she learned about him while looking into her late birth mother, and is curious to know more about this lost sibling. A solitary young woman,...