The Wedding from Hell

After Piper is hired to cater an upcoming wedding, she and her sisters suspect that the bride-to-be is a demon set out to marry the groom against his will so she can become pregnant with his child. Following the death of the priest who was set to perform the ceremony and Phoebe's premonition of a demon baby being born, the sisters set out to help save the groom so he can marry the right girl.