 A couple of days before the wedding of Elliot Spencer and Allison Michaels, his mother Mrs. Grace Spencer is unexpectedly visited by her old acquaintance Hannah Webster and Jade D Mon, who put a spell on Elliot to marry Jade, actually the demon Hecate, with the intention to get pregnant and have an offspring. Piper is hired to cater the wedding, while Phoebe has a premonition of the birth of a demon baby. When a priest is murdered in the mansion with an ancient dagger, Prue discloses the mystery and together with her sisters, they decide to help Allison and destroy the demon.