Darrin has a hard time with an eccentric client named Madame Maruska, whom he thinks is Endora. Because of his faulty knowledge, he loses the account. When he learns that Endora did not mess with him, he apologizes to Madame Maruska and still doesn't get the account. It's up to Samantha to win her over using magic.

Endora hires Rollo to get Samantha away from Darrin, but 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.