Determined to break up the Stephens' marriage, Endora summons Rollo, a handsome warlock who courted Samantha in the past. Her plan backfires when Rollo creates a love potion for Samantha but Endora drinks it instead. Endora is set to marry a client of Darrin's, but at the altar, the potion wears off.

During a fight, Darrin says that sometimes he wishes that he and Samantha had never met and Endora grants his wish. Samantha finds him more successful and about to marry his old girlfriend Sheila.