A businessman meets a woman for a blind date and she immediately shoots him. He's not the only one though, and the Avengers are called in to investigate a number of similar deaths which seem linked to an introduction agency. he agency facilitates the murder of inconvenient relatives for its members, while providing alibis for them by making sure they're seen elsewhere at the time of death. Suzanne plays the attractive Barbara Wakefield who is their chief assassin. The Avengers fake Emma's death at Steed's hand, then defeat the members of the agency.