Grease Runion

So the Grease Gang got married and had kids,but Rizzo and Kenickie moved away. But their Kids where the new T-Birds and Pink Ladies and Danny and Sandy's daughter Holly Zuko was the new leader, but when Rizzo and Kenickie come over the summer with their son Nicky Murdoch and he has a summer romance with Holly and they end up moving back to their hometown what will happen to this non T-Bird and the Pink Lady in this Grease Reunion.
(This is Not Like the Grease their Kids one OK :)