As Christmas of 1804 approaches, Jane Austen finds herself "[I]nsupportably bored with Bath, and the littleness of a town". It is with relief that she accepts a peculiar commission from her Gentleman Rogue, Lord Harold Trowbridge - to shadow his niece, Lady Desdemona, who has fled to Bath to avoid the attentions of the unsavory earl of Swithin.

But Jane's idle diversion turns deadly when a man is discovered stabbed to death in the Theatre Royal. Adding to the mystery is an unusual object found on the victim's body - a pendant that contains a portrait of an eye! As Jane's fascination with scandal leads her deeper into the investigation, it becomes clear that she will not uncover the truth without some dangerous playacting of her own....