Overview: Looking for a new apprentice, music professor Kang Joon Hyung discovers Lee Sun Jae who has raw talent and ability. Sending Sun Jae to his wife, Oh Hye Won, for an evaulation, a volatile relationship is about to begin between them.
Overview: Hye Won auditions Sun Jae and finds him to be a gifted and thrilling pianist.
Overview: Sun Jae prepares for the entrance exam into Seohan University's piano major.
Overview: Da Mi appeals to Hye Won to help get Sun Jae released from jail after he nearly assaults a lady.
Overview: With Sun Jae staying at their home, Joon Hyung preps him for his audition while Hye Won tries to avoid his advances.
Overview: Despite Hye Won trying to maintain a professional relationship with Sun Jae, she still finds herself drawn to him.
Overview: Joon Hyung is becoming suspicious of the relationship between Hye Won and Sun Jae which seems closer than it should be.
Overview: Hye Won becomes jealous when she sees Sun Jae with Da Mi eating dinner and takes it out on him.
Overview: As Hye Won and Sun Jae become closer, she ends up being assigned as his official instructor.
Overview: Sun Jae performs for his biggest audition and Hye Won has to deal with her boss being caught for illegal financial activity.
Overview: Hye Won tells Sun Jae to not meet or call her for awhile after she receives a text from a man who knows about their secret meeting place.
Overview: Joon Hyung tells Hye Won to end her relationship with Sun Jae. Meanwhile, Sun Jae looks into applying for school abroad.
Overview: In the midst of her legal trouble, Hye Won tries to clean up her mess with Sun Jae.
Overview: Hye Won finds it harder to pretend to have a loving marriage with her husband.
Overview: Hye Won tries to gain the upper hand in her legal war against the Chairman and Chairwoman.
Overview: Hye Won must make a decision that will affect the next decade of her life.