Pastor Park works to expose suspicious religious groups. He's hired to look into the cult group Deer Mount. Meanwhile, Police Captain Hwang investigates a murder case and the main suspect is a member of the Deer Mount cult.
Gong Woo Jin (Yang Se Jong) is a 30-year-old single man who works as a set designer. Due to a trauma he experienced 13 years ago, he does not want to have a relationship with others. Meanwhile, When Woo Seo Ri (Shin Hye Sun) was 17, she fell into a coma. Thirteen years later, she wakes up from her coma. Her mental age is still that of a 17-year-old, but she is now 30-years-old. Gong Woo Jin and Woo Seo Ri then get involved with each other and fall in love.
Park Cha Oh Reum is a newly appointed judge who is assigned to the 44th Civil Affairs Department at the Seoul Central District. She is always on the lookout for injustice and is able to profoundly empathize with others. Compared to her, Im Ba Reun is a cool-headed man of principle with the creed of ‘Court that is equal to all’, and he is displeased with junior judge Park Cha Oh Reum who is overly sympathetic when it comes to cases.
Set in the 1960’s and 1970’s. Yoon Soo In (Oh Seung Ah) is a smart student who has never missed ranking at the top of her class. Due to her poor family situation, she begins to work at a factory instead of going to college. Nevertheless, she pursues her dream.