Deadly love

A senior in music school, a natural beauty, blind to all pursuits, devotes herself to music. A young man appears in her piano room. Later, he always appears when she needs help, either she has lost her purse or she needs an umbrella. When she goes to him with money and his belongings, a fatal incident occurs. The police begin an investigation into a murder that has shocked the entire city. As the case unravels bit by bit and the truth finally emerges, people can't help but feel deeply sorry for her.