The Doctors

Yoo Hye Jung (Park Shin Hye) was a tough bully in school with a prickly personality and always goes wayward. She had many scars from her childhood and through self-preservation, Hye Jung keeps her heart shut away from other people. However, she changes after meeting her mentor Hong Ji Hong (Kim Rae Wong) who plays a key role in transforming her life from a helpless gangster to a compassionate doctor. Source: imdb