Jae Hee is a proficient student in school but was born into an unfortunate family. Her father is constantly drinking, not a single thought into supporting his family, and her mother works a hard job that pays the bare minimum. She graduates high school in a week and needs to start working for her university tuition. There is no one willing to accept her except a rich family that needs a private tutor for their son. There's than the exception that dating is strictly prohibited. She takes the offer and earns lots of money, almost enough to pay one year worth of her tuition. What will happen when she starts falling for him?