The Frighteners (S01E15)

In an effort to keep his daughter away from the suspected swindler Jeremy de Willoughby, Sir Thomas Waller enlists the notorious criminal known as the Deacon to intimidate him. Steed, hot on the Deacon's trail, teams up with Dr. Keel to prevent two henchmen from inflicting serious harm on de Willoughby. Together, they devise a plan to ensnare both the Deacon and the couple, aiming to put an end to the deception.