An effortlessly rich and lyrical mystery wrapped in a love story that bends space, time, myth and science, perfect for fans of Octavia Butler and Emily St. John Mandel. Sol has disappeared. Their Earth-born wife Lumi sets out to find them but it is no simple feat: each clue uncovers another enigma. Their disappearance leads back to underground environmental groups and a web of mystery that spans the space between the planets themselves...