Beatrice Lockwood is in the middle of a case when her past comes back to haunt her. Joshua Gage, a former spy for the Crown, has come out of a self-imposed retirement after a disastrous case that left him scarred and forced to use a cane. He is hunting the villain who is blackmailing his sister. The trail leads him to Beatrice, who is his chief suspect. When he realizes that she is not the blackmailer, they set out to find the real extortionist. Meanwhile a mysterious scientist intent on resurrecting his dead lover using an ancient Egyptian formula for preserving the bodies of the dead is also hunting Beatrice.