The last season of the series Charmed opens with the sisters look forward to starting their new lives free of demons, but Paige is having trouble ignoring the call of her charges and goes to help a young witch, Billie. As the season continues Billie learns to control and expand her powers with the help of the sisters. At the end of the final episode of the series, the Halliwell sisters write their stories in the Book of Shadows. Phoebe marries Coop. Paige embraces her Whitelighter side and has a son named Henry Jr. and twin daughters. Piper and Leo are reunited and are seen with their sons Wyatt and Chris and their young daughter.