Scarecrow and Mrs. King (1983)

S1E21 Waiting for Godorsky

During a trip to a sprawling estate sale with her mother, Amanda encounters a woman who is being pursued by Eastern Bloc assassins. Unbeknownst to Amanda, this chance meeting leads her into the middle of a covert Agency mission. She soon receives an invitation to have tea with royalty, further complicating her unexpected entanglement in espionage and danger.