The sisters must face Hecate, a powerful demon goddess, who is preying upon a woman, her son & his fiancee, and attempting to conceive a full demon child.

A troubled teenage girl befriends Phoebe with the hopes of joining the Halliwells, but she's been lured to the dark powers of witchcraft by a sorceress. Meanwhile, Prue tries to find some alone time with Andy and Phoebe and Piper vie for the attention of Leo.