London. Summer 1839. And the temperature is rising, as Liberty Lane takes on her strangest case yet.

The young gentlemen of the aristocracy have a new craze - jousting in the medieval style. It turns all-too-serious when the Brinkburn brothers clash. Stephen stands to inherit a title and a fortune as soon as his mad father dies. But his mother has suddenly chosen to reveal an intimate honeymoon secret and declare that he is not his father's son. His younger brother prepares to leap in and claim both Stephen's inheritance and his fiancee.

The family turn to Liberty to prevent a scandal. But she has her own way of doing things and little respect for the social conventions - especially when murder is involved.