Mai get's pregnant at 16, by her abusive boyfriend (Taeyong). After they break up and finds out she's pregnant. But he denies the baby, even after he knows he was the only guy she was with. She stays with her family because they support her baby. And she meets Yoongi ( drug dealer) along the way. And he wants to date her, but she doesn't let him because of what happened to her in the past.

Kalon; (n.) Beauty that is more than skin deep.