Holding the rock tightly, Karyn continued
"I wish, until the end of Jessica and Richard's wedding, the real Jessica stays away and is safe. While she is away, Jon will fill in for her perfectly and no one will notice the difference because Jon will be able to perfectly copy Jessica's walk, talk, mannerisms and everything else needed to keep up appearances, so well that even Richard will not notice a difference. Once the entire wedding day is over, the real Jessica will return, Jon will be back to normal, Jessica will gain all of Jon's memories of the wedding, and no one outside of Jon and I will remember that Jon filled in for Jessica."
As she finished her wish, the stone heated up and got bright, blinding Karyn as something started happening to Jon, causing him to...
