Grease is based on the Broadway Hit musical it is a nostalgic trip back to the 50's.The movie Grease is about a girl named Sandy Olsson and a boy named Danny Zuko and the meet over summer break at the beach and the spend most of  there summer together . And when summer is over its back to school for Danny and Sandy. When Sandy goes to school she finds out that Danny Zuko is not the person she meant at the beach, because he was showing off with his friends. And once sandy gets use to the school she becomes a cheerleader and one of the pink ladies and the pink ladies are friend s with Danny Zuko’s gang.