Drape" (or Greaser) Wade Walker, also known as Cry-Baby for his ability to shed a single tear, falls head over heels for square Allison Vernon-Williams who, incidentally, is tired of being good.Allison is a "square" good girl who has decided she wants to be bad and falls hard for Cry-Baby Walker, a "Drape" (or Greaser).Spoofing Elvis movies and Juvenile Delinquency scare films of the '50s, this movie follows the adventures of Cry-Baby who, after he is sent to juvie and released, is determined to cross class (and taste) boundaries to get Allison back.

Overview from themoviedb.org