She had come for reasons that were both precise and impossible to pin down: a single line in an old letter, ink browned at the edges, that named this island as if it were a place where accounts could be settled and small, private reckonings resolved. Santorini, the letter had said, where wind and time made amends. Sirina had read the line until the letters blurred and then decided, as people do when a certain restlessness takes hold, to follow the sentence to its end.