Sharpay and Zeke reconnect after that moment at the of HSM1 where they were a thing for like 10 seconds. Sharpay Learns a Valuable Lesson about how maybe you don’t need a guy who’s perfectly perfect in every way when you’ve got once who’s a total sweetheart and can bake like a mofo.
Ryan brings some girl he knows from Broadway who’s like his best dancer or something. She spends the entire wedding flirting with Kelsey and making her all flustered. Everyone is trying to get them together.
It ends with an elaborate musical number at the reception. Possibly there’s a self-aware joke about how Ryan emailed everyone the choreography for it months ago, so they all better know it by now. It probably turns into a reprise of We’re All In This Together and then I cry into my popcorn for 6 hours