When you go to the waterside to get drunk after being cheated on by your boyfriend, you jump into the water to save a drowning child. After saving the child, you cannot hold the hand offered to you to get out of the water and you begin to sink to the bottom. When you open your eyes, you are no longer in today's world. You went back to the time of the Goryeo Dynasty during the solar eclipse, and you were going to fall in love with Kim Taehyung, before whom other people trembled in fear.

"Guards! Take this man now and cut his throat!"