"Wonderful World" tells the story of Eun Soo Hyun (Kim Nam Joo), a woman seeking revenge after the tragic loss of her son. As the culprit escapes punishment through the judicial system, she decides to take justice into her own hands. Along the way, she meets Kwon Sun Yool (Cha Eun Woo), who becomes entangled in her affairs after experiencing a difficult life and dropping out of medical school, a boy who reminds her of her son.
Week after week, the drama sees its viewership increase, and it has just crossed another symbolic milestone this weekend.
This Saturday, for the episode on December 30th, "Wonderful World" indeed reached 11.4% of viewers, achieving a new personal record for the drama and allowing it to maintain its lead among Saturday dramas.