A man whom Steed is to escort in NY disappears, before re-surfacing at the Adelphi Park Retirement Home. Mrs Gale gets a job there as assistant matron to discover what is going on.
Colonel March is called upon to investigate a murder in a hairdressing salon and narrow down the long list of subjects.
Templar negotiates with the kidnappers of an actress despite believing that the abduction was a publicity stunt.
Cathy's courage is tested as she poses as a female assassin to gather evidence to break up an international criminal syndicate.