Fermion Quirk's twin brother, Boson, is dead. These last few months he'd spent most of his time with the birds; he said they were angels and brought him his visions. Soon a voice starts rising in Fermion, telling her that she's the only one who can save her family. The voice says the cure lies on the other island, far out in the sea. Even if Fermion manages to get to the other island, what will she find?