A race horse named Dalleyrand runs away from its owner and into the Stephens' yard. Samantha communicates with the horse by turning her into a woman. Darrin objects, but Samantha tells him that it is a special opportunity to really know what a horse's life is like in the races.

Endora and Uncle Arthur have a falling out over who is to live in a house across the street. Gladys wants to find out about the disappearing and reappearing house, much to Sam and Darrin's dismay!

Darrin learns that Serena is not to be messed with when she turns him into an ape.