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 day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.

The second collection of short stories written by Baroness Orczy about the gallant English hero, the Scarlet Pimpernel and his League.

A struggling actress tries to help a friend prove his innocence when he's accused of murdering the husband of a high-society entertainer.