Serena is stripped of her powers by the Contessa Pirhana, another witch, as Serena cavorted with one of the Contessa's harem of men. As such, Serena decides to try the mortal life and date a mortal she finds handsome and interesting. The person she chooses is wealthy Harrison Woolcott, a potential client of Darrin's.

Serena gives Larry Tate a "youth pill" that makes him younger and younger.