When Hyeon introduced his mother to an up-and-coming young movie director, he never imagined the torrid affair that would follow as his mother explores the true meaning of love.

Mild-mannered and modest Sook-young looks like your usual middle-aged woman, but happens to be a man-killing murderess. On a train trip to Mokpo, she remembers an earlier trip as a prisoner on furlough accompanied by a menacing but kind butch female guard. On the train they meet Hoon, a young man who falls for Sook-young. The guard lets them be alone at a bizarre marriage in a hill-top graveyard.

Choi Seok, a historian, raises Jeong-im after her parents pass away. But when her gratitude turns into feelings for him, he is criticized and so leaves the school. When Jeong-im is hospitalized, he gives her a lump sum of money and leaves for Hokkaido, Japan. When Jeong-im finds out the truth, she and Oh Jin-wu, an admirer of hers, go to Choi Seok who's now fighting brain tumor...

A scandal from the past of two friends haunts them to the present and may result in the loss of any future happiness

A lonely woman runs a coffee shop to support her in-laws while waiting for her husband to complete his jail sentence. She begins fantasizing about a particular college student who visits her shop daily

A North Korean female spy, Jeong-sook, is apprehended and hospitalized after a traffic accident during her mission. As she receives compassionate care, she re-evaluates her beliefs and humanity. Amid this transformative experience, she develops feelings for fellow patient, footballer Lee-chan.