Cha Seeum becomes the new chief conductor of the Hangang Philharmonic, but she soon faces backlash on account of her reforms.

Cha Seeum must confront her past when the familiar face of Jeongjae returns as the orchestra's new chairman, but she pretends not to know him.

Cha Seeum decides to focus on the orchestra; crisis looms with rumors of Kim Phil's affair.

Cha Seeum and Kim Phil finish the new song, but a sudden accident causes chaos.

Cha Seeum orders Yoo Jeongjae to keep her secret, the fear of it getting out again torments her.