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.

Jason breaks up with Phoebe when he finally learns her and her sisters are really witches. Meanwhile, Richard attempts to free himself of his family's karma, and Piper and Paige try to vanquish a group of Swarm Demons, the last on Chris' list of the most significant threats to Wyatt.

When Paige encounters Captain Black Jack Cutting, an 18th century pirate in search of the Fountain of Youth, the curse on his life becomes her problem. Meanwhile, Leslie manipulates a contest in order to spend time with Phoebe, Leo fights with the creature that caused him to kill an Elder, and a mysterious federal agent comes to town to investigate the Halliwells.