Meet Mary-Kate and Ashley, the Tween Queen Twins! Your new best friends have just arrived... Mary-Kate and Ashley have never been roommates at White Oak - until now! But once Ashley moves in, she drives Mary-Kate crazy! Mary-Kate makes a bet with her friends that she can turn Ashley into the perfect roomie in just one week. Meanwhile, Ashley is making her apple cider recipe for the school harvest festival. But after the boys and girls get a taste of the cider, they all start to fall for one another. Could it be that Ashley's supersecret ingredient turned the cider into... a love potion?