When Ji-won, a 37-year-old cancer patient, walks in on her husband and best friend, she realizes her whole life has been a lie. What’s worse, she dies a tragic death at the hands of her husband. Would things have been different if she had made different choices? Fortunately for Ji-won, she is given the chance to rewrite her fate when she is reincarnated as her younger self. This time, she vows to live a happy life. But first comes revenge. Her plan? To marry off her now former best friend to her lying, cheating husband.

A story about the love and friendship that takes place in an era where a man and a woman communicate through radio by chance.

A coming of age story about young people in their twenties and the problems they face in university. Nam Soo-hyun and Yeon Joo, two boys with contrasting personalities, unexpectedly become friends when they work on a project together.

The story of Princess Pyeonggang who was born as a princess but raised to be a soldier for Goguryeo. She dreams to be the first female Taewang of Gorguryeo but is confused about the new feelings experienced after meeting On Dal.

In the present day, Jang Bong Hwan works as a chef at the President's Blue House. She has a free spirit, but her spirit somehow finds its way into the body of Queen Kim So Yong in the Joseon period. King Cheol Jong has secrets. He seems like a figurehead, who is gentle and easygoing. In fact, he hides his strong aspects. Queen Sunwon is the late King Sunjo’s wife. She wields the true power in the country and, thus, relegates King Cheol Jong as just a figurehead. Kim Jwa Geun is Queen Sunwon’s younger brother. He is extremely ambitious.

A story about three friends who just turned twenty; an age where you can do whatever you want, love whoever you want with opportunities abroad.