Martine offers Terry a lead on a foolproof bank hit on London's Baker Street. She targets a roomful of safe deposit boxes worth millions in cash and jewelry. But Terry and his crew don't realize the boxes also contain a treasure trove of dirty secrets - secrets that will thrust them into a deadly web of corruption and illicit scandal.
Guinevere Pettigrew, a middle-aged London governess, finds herself unfairly dismissed from her job. An attempt to gain new employment catapults her into the glamorous world and dizzying social whirl of an American actress and singer, Delysia Lafosse.