Son Ji Eun moves to a small city due to her husband's new job as a civil servant. She works part-time at a mart. Son Ji Eun is quiet and sincere. Her life in the small city becomes boring. Son Ji Eun's life is shaken by Yoon Jung Woo. Yoon Jung Woo is a biology teacher at a local school.

Ji Sung Joon has a crush on the most beautiful girl in town, Kim Hye Jin - the only problem is, he's unattractive and lacks self-esteem. As fate would have it, years later Sung Joon grows up to be not only successful, but extremely attractive. However, when he runs into his first love Hye Jin, she has become unattractive and poor. Can their love transcend the vanity they both associated with each other?

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.

A former serial killer Byung-su gets diagnosed with Alzheimer’s and when a series of murders occur near his town, he worries whether the killings are his doings. Then, he comes across Tae-ju and realizes that he’s the killer. He reports this to the police, only to learn that Tae-ju is one. Byung-su tries to find evidence against Tae-ju, only to raise the young killer’s interest on him and his dear daughter.

Dae-soo and Mi-ra have Ah-reum when they are 17. Ah-reum is diagnosed with progeria, and as his body rapidly ages, his finds comfort in writing a story about how his young parents fell in love.