On his way to Sarah's house, Jon called Karyn and asked her to meet him there.
So, when he arrived, Karyn was there waiting for him. In this new reality, Karyn looked exactly like Sarah McMillan, except that she had shorter hair and different clothes - definitely not part of the popular crowd. But since Jon didn't hear Biff's wish, he thought it was perfectly normal that Karyn and Sarah looked alike, as well as sounded alike.
"Are you sure she took the stone?" Karyn asked.
"I'm sure. She was standing in my bedroom when she took it."
Karyn raised her eyebrow. "She was in your bedroom?"
"It's not what you think. She conned me in letting her in and then used the opportunity to steal the stone."
"Yeah, she's a devious bitch. So, how do you want to do this?" she asked.
Amber backed away. She didn't know what was going on, but it probably had something to do with Biff and Melissa. It was best to keep her distance.
"Melissa? Where are you going?" Jessica asked.
"Stop calling me that!" Amber yelled. "I wish ..."