An isolated brother and sister live with their memories and a grisly secret.

Antonia, the pampered wife of Martin Lynch-Gibbon, an upper class wine merchant, tells her husband that she is in love with their best friend, the psychiatrist Palmer Anderson. Palmer and…

American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the…