Three sisters in San Francisco discover that they are the foretold "Charmed Ones," the most powerful good witches the world has ever known. Prue, the beautiful and driven oldest sister, Piper, the earthy and creative middle sister, and Phoebe, the free-spirited youngest, could not be further apart in how they view the world and each other, but they must band together to battle the dark side of the
Piper worries about the side effects of her powers and of using them. Things become difficult between Prue and Andy. Prue secures employment at an auction house. The sisters tackle a man who steals the youth of women to maintain his own.
A happy family reunion isn't in the cards when the sisters's father returns and may be in league with shape-shifters hell-bent on stealing the Book of Shadows.
Piper develops feelings for the ghost of a murdered man seeking help. Phoebe attempts to make money on the side as a psychic. Prue feels betrayed.
Prue is hunted in her dreams even as Piper and Phoebe face the ramifications of a spell to make them desirable to men.
The Charmed Ones face off against Hecate who seeks a husband in order to birth a demon.
A teenager, misled by Kali, approaches the sisters in an effort to gain their powers.
Prue casts a truth spell to gauge Andy's reaction to her true identity as a witch. A killer from the future targets San Francisco.
A warlock takes on the charmed sisters (and also their powers). The Halliwells get help in dealing with the warlock from a long removed ancestor who was killed during the Salem Witch Trials.
Prue's boss, Rex Buckland, frames Prue for theft and murder. Piper and Phoebe realize that he is a warlock and he offers them a deal, he will trade them Prue for their powers.
Phoebe's ex comes to town with a head full of trouble and a cursed Egyptian urn. Prue works to save Buckwells from bankruptcy. Piper's attempt at playing cupid doesn't yield positive results.
A large creature attacks Piper and she begins to transform into the creature. Andy helps the woman from the FBI trailing the beast. Phoebe's vision of a car crash sends her off to save the victim and away from work with Prue.
The sisters are attacked by a demon that comes on Friday the 13th every millenia or so and tries to frightens witches to death.
As Prue helps to free a kidnapped child, Leo's identity as a whitelighter is revealed to the sisters.
An earthquake releases the "woogyman" who takes control of Phoebe and pits her against her sisters who have to discover a way to rid her of its influence without harming her.
Prue's attempt to increase her power to thwart a villain Phoebe sees stabbing her ends up increasing the number of Prue's by two.
The Halliwell sisters go back in time to prevent their mother from bargaining with a warlock.
Prue tries to help a young man fight back the potential warlock inside him and prevent him forming a powerful and evil triangle with his brothers. Phoebe makes an attempt to help Piper's love life.
Demons kidnap children to steal their ability to see for nefarious purposes. Prue is exposed as a witch not only to a reporter, but also to Andy.
Phoebe sees the ghost of an Alcatraz prisoner jump into an unsuspecting body so that it can seek revenge against those that helped sentence him to death.
In an attempt to save a fatally injured Leo, Piper tries to switch powers with him, but only succeeds in switching around her sisters's powers. Nearly too late, Piper learns that Leo's power to heal is fueled by love. Meanwhile, Prue and Phoebe attempt to use their switched powers to protect a woman from a darklighter with a fatal attraction.
A warlock seeks the aid of Tempus to kill the Charmed Ones and is able to relive his attempts to kill them with the Halliwell sisters none the wiser. Phoebe sees Andy die.