It's Valentine's Day and romance is in the air as Betty asks Seth to marry her. Viv assumes Richie has sent her a Valentine's card, which annoys Sarah. Richie himself is left upset when Sarah decides to spend the evening with Jack. Lisa immediately suspects Nellie when a Valentine's card arrives for Zak. Bernice and Marlon prepare for The Woolpack's aphrodisiac night. But will the magical powers of the food work? Bernice is curious when a blank Valentine's card arrives for her. That evening, her secret admirer - Ashley tries to reveal his true feelings, but Diane intercepts him. Marlon is horrified when Kathy admits that she is falling for Graham and races off to tell Eric. And Roy's attempt to cheer up Kelly with a romantic meal ends in disaster.