For the families living at Sky Castle, an exclusive residential community that's home to Korea's elite, their children’s success means everything.

Han Soo-Ho and Han Kang-Ho were born as identical twins, but they live totally different lives. Han Soo-Ho works as a judge and he is guided by principles. Han Kang-Ho's extensive criminal record contains 5 different arrests. One day, Han Soo-Ho suddenly disappears. Han Kang-Ho secretly takes his brother's place as a judge. Han Kang-Ho, who was once considered trash, becomes "Dear Judge" and highly respected.

In a temporary position at a private high school, a compassionate teacher fights to support her students' dreams while navigating school politics.

Nan Hee is an ugly girl and this has influenced her to become mean. One day, she receives a ring which holds a family secret. Se Gun is handsome, but he has a cold-blooded personality. Due to the magic of the ring, he declares Nan Hee as his ideal woman with a beautiful appearance.

Kumiko and Kenichi meet in college and build a happy marriage together. But over time, an unusual problem threatens to destroy their relationship.