A man serves 16 years in prison for a murder he didn’t commit. Yang Kang Chil maintains his good nature nonetheless and is protected by his best friend Gook Soo. After his release from prison, Kang Chil becomes a carpenter and tries to rebuild his life. He falls in love with Jang Ji Na, a veterinarian who happens to the niece of the victim in Kang Chil’s murder case. Can Kang Chil prove his innocence and bring the real killer to justice to save his relationship with Ji Na?
Oh Dal-Nim is falsely accused of murder. She decides to take revenge on those responsible for her misery.
Jo Deul-Ho, who came from a poor family background, is a promising prosecutor, but he can't ignore the corruption at his workplace. He becomes a whistle-blower and loses everything. Jo Deul-Ho then works to become a lawyer.
Ji Eun is the daughter of a wealthy chaebol family. She is bright, humorous, beautiful, and smart. Ji Eun meets Se Hoon, who runs a small furniture workshop. Unlike Ji Eun, Se Hoon comes from a poor family background. He was once the top student at a prestigious university, but he had to drop out due to his sick mother. Nevertheless, Ji Eun falls deeply in love with Se Hoon. She confesses her feelings to him. Se Hoon is also in love with Ji Eun, but he turns her down due to the extreme differences in their backgrounds. Eventually, Se Hoon is unable to bury his feelings any longer and they decide to marry.
An ignorant but strong-willed man and an upper-class woman who struggles through life, work to fall in love.