When the mythic Gods, the Titans, are released and kill all the elders, Leo is forced to take over. Meanwhile, a mysterious Whitelighter from the future guides the Charmed Ones when Leo gives the girls the ultimate power to vanquish the Titans, recreating them as Greek Goddesses, despite the risk that they will be seduced by their vast new powers.

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.

Bianca, a woman from the future, arrives to take Chris's powers, and Leo learns that she is actually part of an assassin family of witches. Meanwhile, Paige decides to move in with Richard, while Phoebe ponders joining Jason in Hong Kong.

Paige and Agent Brody, are drawn into an unfinished novel that takes place in the 1930s, and they must elude the gangsters in pursuit of the famed Burmese falcon. Meanwhile, Phoebe, Piper and Leo work to re-write the novel to help get Paige and Brody out of it, before they're killed.

Wanting to return to her old career as a social worker, Paige's plans get put on hold, when her Whitelighter father, Sam, returns asking for her help with his charge. Meanwhile, Piper and Leo go to see a magical marriage counselor who thinks the best therapy is for them to walk a mile in each others' shoes - literally.