The younger Gun Woo is put in a difficult position when Rumi finally convinces Maestro Kang to stay.

Without the conductor's encouragement, the musicians take their cues from the younger Gun Woo, whose musical genius is discovered.

The mayor wants to replace Maestro Kang with an old rival, and so Kang finds a better solution in Gun Woo.

The orchestra performs for the first time onstage, but several of the musicians have difficulty getting there.

Kang decides to form a new city orchestra that does not include all the original musicians. Rumi visits a doctor to check out her hearing.

Gun Woo tries to express his attraction towards Rumi. Kang sends Gun Woo off to his old rival for conductor training.

As a sign of his softening heart, Kang allows the original musicians to join his new orchestra for a particular piece, and connects with Rumi.

Rumi continuously cheers Kang up, which casts uncertainty over her relationship with Gun Woo.

Gun Woo does his best to make sure the second performance will be a success, despite setbacks with the choir.

Kang and the orchestra become involved in the mayor's political games. Rumi goes on a retreat.

Gun Woo asserts himself as a conductor in front of Maestro Kang.

Rumi's hearing worsens as the Mouse Philharmonic Orchestra hands off their demo to a selection committee for the festival.

The mayor sabotages the festival, but the orchestra manages to impress enough for another festival performance.

The two Gun Woos face new challenges separately in their personal and professional lives.

Maestro Kang steps into a battle he may not win for the sake of the orchestra.

The orchestra begins to fall apart with Kang's impending departure.

Kang receives an offer to conduct another orchestra in Europe, and the musicians return to their old lives.

Check out behind the scenes of Beethoven Virus, only on DramaFever!

When asked to come up with a cultural project for her city, Rumi proposes, and heads, an orchestra performance.