When Prue witnesses and tries to stop a kidnapping of a young boy in the park, a reporter sees her using her powers. He tries to blackmail her to get a sensational story for his newspaper. Phoebe and Piper attempt to learn more about the demons who stole the child and come across a similar kidnapping that happened 20 years ago. Meanwhile, Andy gets involved in the kidnapping case and finally confirms his suspicions about Prue's powers.

On their first anniversary of becoming witches, the sisters face a cloven-hoofed demon called Abraxas, that steals the Book of Shadows and undoes the spells they've cast.

An assassination attempt on the sisters' lives forces Prue to go undercover as the woman who tried to kill them, known as Ms. Hellfire. While undercover, she becomes romantically involved with the man who hired the original Ms. Hellfire.

The sisters must find a way to vanquish a ghost who is intent on killing all of the men in a family line, including the last male, a baby.

The doctor that treated Piper when she was critically ill discovers, and gains, the Haliwells' powers. After being twisted by the magic now within him, he goes on a sadistic organ-harvesting spree, targeting criminals in the streets.

In an attempt to destroy the Charmed Ones, Cole enlists the help of Andras, a demon who magnifies anger into rage. Meanwhile, when the sisters lose their magic after using their powers against each other, they are left defenseless against attacks from the Triad and Belthazor.