Following her heart to an elite high school in Seoul, teen matchmaker Kitty learns that life, love and family are more complicated than she ever imagined.

Thieves overtake the mint of a unified Korea. With hostages trapped inside, the police must stop them — as well as the shadowy mastermind behind it all.

25 years ago, Mi-Hee was an ordinary housewife, married to Chul-Joong with a son. Suddenly, her husband died and her son went missing. This all took place at their house. Mi-Hee was imprisoned for 25 years. She is released from prison and goes back to the home where everything took place.