25 years old Go Ha-Jun, betrayed and tricked by his girlfriend, attempted suicide by threw himself to the lake, but transported back in time to early Goryeo Dynasty. He wakes up in a body of Soo-Hwa-Jin of Hae and there, he encounters princesses of royal Wang family. Rivalry and politcs ensue among the palace, in a battle and war for the throne or an opportunity of becoming a regent queen, and Soo found himself desired among them, including 8th princess Hwangbo Woo-Kyung, and the infamous wolf-princess/fourth princess named So-Hee.

This story might not follow history since it is almost genderswapped stories. (Slight Harem).

Brief Character comparison between Ga Ha-Jun and Hae Soo-Hwa-Jin:

Go Ha-Jun is a verbally strong, independent, and intelligent man known to be once as "History Geek", but at the same time quick with adapting into new experiences. He cast his conflicts aside and put his loved ones first, and is very protective.

Hae Soo-Hwa-Jin is Myung-Seon's youngest cousin, rumored to be an extreme prodigy who was obsessed with studies of alchemy. He cares about his cousin, but does not trust people who lives in palace, believing they were possessed by demons and is cold-hearted.

The similarities Ha-Jun and Soo-Hwa-Jin, is that they have charismatic aura looming over and their wrath could frightened people around them. They share one same soul but came from different time and space of the world. One word, born with a star of conqueror for they greatest abilities to be desired by people.