Sex, drugs and classical music illustrate what happens behind the curtains at the symphony can be just as captivating as what occurs on stage.

Guest cellist, Andrew Walsh invites Hailey out to see Lang Lang play, and gives her, her first real glimpse inside the world of classical music's elite crew. Thomas and Rodrigo enjoy a rare guys night in and end up in a tent in a living room, exploring the farthest corners of their minds. Gloria proves she is more than she appears.

Rodrigo takes matters into his own hands and tries to get financial assistance for his new musical venture. Preparing for her first time conducting, Hailey faces some unexpected challenges from a difficult composer. Lizzie shines on her big opening night and Thomas shows Gloria how he really feels.