Pauline follows the eponymous protagonist, an 18-year-old who accidentally becomes pregnant – from a one-night stand. With school stress, the climate crisis and the downfall of society weighing heavily on her mind, something she doesn’t need at all right now is catching feelings, especially not for her one-night stand Lukas, who, as it turns out, is the devil himself....
The drama depicts Kim Min Jae, a transfer student majoring in Practical Music and working part-time at the library, and Lee Kyu Ho, a Taekwondo major who helped him. Since their first meeting, the two have become entangled and closer, leading them to develop a romantic relationship....