Sacred Heart is turned into a full scale Broadway stage when Patti (guest star Stephanie D'Abruzzo) checks in complaining of hearing incessant music. While trying to determine the cause of this strange complaint the residents of Sacred Heart star in their own musical.
Carla (Judy Reyes) and Turk (Donald Faison) tango over her decision to be a stay at home mom or to return to work.
Elliot struggles with telling J.D. (Zach Braff) that she doesn't want to be roommates with him anymore -- both girls hope that the boy's "Guy Love" will help them through the rough patch.
All the while the staff wonders if life would be happier if everyone was in constant harmony. John C. McGinley, Ken Jenkins and Neil Flynn also star.