Las Vegas reaches a boiling point with two cases--a reluctant post-mortem consultation for Kiernan O'Shaughnessy (High Fall, 1994, etc.) on what may be a fatal attack of African Lassa fever, and her self-styled associate Brad Tchernak's search for a geologist who vanished, together with two mysteriously ailing Panamanian children--either one of which would be deadly even if they weren't connected.