Grease (1978)

After a dreamy summer romance, Danny and Sandy Olsson part ways, thinking they'll never see each other again. But when Sandy unexpectedly enrolls at Rydell High, they're thrown back into each other’s lives. Danny, struggling to balance his rebellious image with his feelings for Sandy, disappoints her by pretending he’s still the tough, uncaring guy. As they each try to fit into each other's worlds, a string of misunderstandings and heartfelt gestures ensues.