Yeonju has been studying for the teacher certification exam for 5 years after failing it for 4 times. To relieve stress, she does bad things every day. One day, she meets an enemy who gets in the way of her studying, and gets arrested by the police for her deviation. Her life never goes as planned. But she gets a chance to get things right.
| Actor | Role |
|---|---|
| JJang Hat-salYeon-ju | Yeon-ju |
 Lee Sang-yiHee-joong | Hee-joong |
| SSon Ye-wonMi-yeon | Mi-yeon |