"When a cold case dossier lands on Captain Benny Griessel's desk, he and his partner Vaughn Cupido, fellow member of the Hawks elite police unit in South Africa, reluctantly set to work reviewing the evidence of the disappearance-and possible murder-of ex-cop Johnson Johnson on the world's most luxurious train line. Two fellow travelers might have the answers Griessel and Cupido need-but they too seem to have disappeared into thin air, and the few...