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

Despite months of rehearsal, the orchestra’s growth has stalled. A world tour and illicit romances dog the symphony, especially Rodrigo, anxious about his Mexican homecoming. Hailey assumes a larger position in the orchestra, but struggles to find her footing as an oboist and in her love life. A looming labor strike risks pitting friend against friend and it may fall to Rodrigo to create harmony.

With the lockout still underway, the New York Symphony family is fractured. Rodrigo disappears to Venice, Italy to conduct the return concert of a legendary opera diva. Hailey tours Europe with Andrew Walsh, but it is not the adventure she was expecting. Those left in New York, embroiled in a stalemate, fight to hold together the remaining pieces before the Symphony is damaged beyond repair.

New melodies arise as Rodrigo & Hailey take their relationship public. Hailey struggles to prove herself as a conductor, while Rodrigo fights to keep his inspiration alive. Thomas joins a start-up orchestra in Queens that challenges Gloria.