Conniving con artist Mrs Oliver targets the family of Mrs Carruthers, seducing her husband and framing her son for the theft of a valuable necklace. With her family facing ruin and disgrace, Mrs Carruthers resorts to increasingly violent measures to protect them.
Mr. Blackwell discovers a relic that informs him about Blythe (as Ayesha, or "She-Who-Must-Be-Obeyed"), who loved his father and others in the ancestral line. Blackwell accompanies pal Heinrich George and handyman Tom Reynolds to Arabia.