Season Premier: And Then There Was Two...

When one of the Charmed sisters are killed by a demonic force, Wyatt's rage, heart break and despair opens a void within him that makes him vulnerable to a power long since forgotten about. Leo and Chris' greatest fear of Wyatt turning evil becomes a reality and the only way to defeat him is to summon one of the sisters from the dead to reconstitute the Charmed Ones. Will their combined powers be enough to bring Wyatt back to the good side or will Chris have to take on the tragic task of vanquishing his brother...?