S4·E27 Engagement Ring

Gaying, an old maid, gets the surprise of her life when a charming man sweeps her off her feet. Before she could decide whether her new prince, Johnny, is real or merely a dream, he presents her with a marriage proposal. As romance sweetly unfolds in her solitary life, Gaying suddenly gets a blow from the painful side of love when she realizes that Johnny merely mistook her for someone else.