Release Message:  Piper (Holly Marie Combs), with the help of Coop, must travel back in time to change the events that lead to the deaths of her sisters.

Description:  Piper, with the help of Coop, must travel back in time to change the events that lead to the deaths of her sisters. Piper and Leo travel to the past and the future for guidance on how to defeat Billie and Christy.