"Hairspray" is a musical based on the 1988 John Waters film of the same name. It takes place in Baltimore in the early 1960s and follows an overweight high school student named Tracy Turnblad who loves to dance and dreams of performing on the popular "Corny Collins" TV program. But when she learns of discrimination against some of the young, black dancers on the show -- they're only allowed to perform on a proposed "Negro Day," among other things -- she sets out to change the rules.