The movie follows Sandy (Olivia Newton-John) who falls for Danny (John Travolta) during summer vacation in California around the late 1950s. Once they begin high school, it becomes clear that she’s become part of a group of fashionable girls led by Stockard Channing’s character, “Pink Lady” Rizzo, while he's the head of the "T-Birds," a gang known for their leather jackets and white shirts. Their connection is complicated by their social standings at school, and they must figure out how to navigate that! For me, Channing really stands out; she’s fantastic as Rizzo, bringing a lot of attitude and some surprisingly insightful observations to the role, including the memorable line “Look at Me, I'm Sandra Dee,” which helps Sandy win Danny over. Besides the fun dance numbers, the songs are also excellent – they range from upbeat tunes to sentimental love songs performed by artists like Frankie Valli, Frankie Avalon, and of course, Newton-John and Travolta with hits such as "You’re the One That I Want" and “Summer Nights,” which often overshadow the fairly simple story. It's a sweet and somewhat playful romance that, although it feels a little old-fashioned now, was definitely significant during my childhood.

Source on TMDB