Ain't Misbehavin' S02 E02 Episode 2

As a result of her affair with Dave, Melissa takes up singing to express her newfound passion - so her husband Clive counters by buying a banjo. While the adulterous couple is being followed by Purvis, the private investigator hired by Sonia, Clive himself is being followed by Lester Whales, the jealous husband of his secretary.