"Hilma, an American painter of fifty-eight, goes to the beautiful island of Samos to escape a family tragedy by swimming and hiking and trying to forget. But on one of these swims, she finds a small Syrian girl floating unconscious in a life jacket. Hilma saves her but quickly becomes obsessed with the idea of adopting the girl, whose mother and father, she assumes, have drowned, as so many refugees do. The child's mother, Farah, did not drown, however,...