Yeong-seon Kim

Students reunite with a dying teacher. Bloodiness ensues.

On the verge of being fired, a corrupt customs official finds a haul of drugs and teams up with a vicious gangster to become the most powerful crime partnership in Busan. (imdb)

Story is about the girl Jang Geum who wants to be a cook. She gets accepted as a palace servant. Clever and cheerful Jang Geum quickly finds friends. But all to soon she encounters intrigue and corruption. A spin-off of the well-known Korean drama Dae Jang Geum, the young teenager Janggeum must persevere to achieve her dreams of becoming a court lady. With her friends by her side, she leaves a mark of her own throughout Korea. (myanimelist.net)

After her sixth failed relationship, Eun-jin meets Hyeon-seok in a taxi. Hyeon-seok seems a bit off and never says "I love you", but Eun-jin thinks they're getting along quite well and even thinks of marrying him. However, she begins to suspect he's cheating on her after she accidentally sees his text messages. As she investigates further into his cheating, it is revealed that he has been hiding a big secret.