John Pickett and Lady Fieldhurst have reached an impasse as they wait for the annulment of their accidental marriage to come before the ecclesiastical court. Meanwhile, Pickett is summoned to investigate a theft at a linen-draper's shop. Suspecting an inside job--and with a hostile hound named Brutus impeding his progress--Pickett must resort to the tricks of his former trade in order to catch a thief.