When the Halliwell sisters are exposed as witches on nation-wide television, they form a pact with The Source to reverse time and undo the damage. However, in the process, one of the sisters makes the ultimate sacrifice, placing the Power of Three in mortal danger.

Paige takes the Book of Shadows into her work to cast spells which help her co-workers. Meanwhile, Piper, who is filled with anger over the death of Prue and the recent actions of Paige, is possessed by a member of a supernatural band of vigilantes known as the Furies.

Phoebe and Paige go to a summit meeting with the leaders of evil and discover that all magic - both good and bad - has disappeared enabling the leaders to steal Piper's about-to-be-born baby and welcome the twice-blessed child into the kingdom of evil.

The Cleaners kidnap Wyatt and erase his existence, after the child accidentally brings a dragon to life. When Piper, Phoebe and Paige regain their memories they relive the day Wyatt was kidnapped. Meanwhile, Paige is caught in the middle of sexual harassment troubles, Phoebe continues to cope with her newfound power of empathy, and Leo gives Chris a new assignment.

After Piper vanquishes a demon from Wyatt's room, she has an epiphany about the rest of her life concerning Wyatt. Unable to handle's Piper's revelation, Paige and Phoebe decide to remind Piper of the importance of love by conjuring up a ""Mr. Right"" as Piper's birthday present. Meanwhile, Chris convinces the sisters to bind Wyatt's powers, then demonic cult members kidnap the baby.

A grief-stricken Piper and Leo attend a Hindu wedding, where they inadvertently receive the powers of Hindu gods, and it's up to Phoebe and Paige to keep them from consummating their love in order to save the universe.

When Piper switches powers with Phoebe, to allow her to see the vision of the utopian world, Zankou interferes, and causes their powers to be transferred to innocent bystanders, who run amok. Meanwhile, Brody's murderious desires prompt Paige to take him on a journey back to his childhood to learn the truth about his parents' death.

Wyatt's school play brings out the competitive nature in Piper when her hand-sewn costume & parenting abilities are criticized by another mother. However things go from bad to worse, because this Stepford-like mother is actually a demon in disguise bent on kidnapping Wyatt in a plot to resurrect the Source. Meanwhile, Paige spies Dex with another woman, and despite Phoebe's objections, butts in.

Piper organizes an engagement party for Paige and Henry, but the couple begin to get cold feet. Meanwhile, Phoebe discovers a strange man following her but soon learns he is actually Cupid; a demon kidnaps Christy in order to get to the Charmed Ones.