Ancient Korea, 1506. The tyrannical King Yeonsan-gun of Joseon is overthrown by his half-brother Jung-jong, whose reign begins with a blood bath. Over the years, traitors plot against him, sinking the kingdom into chaos. In 1528, frightened rumors come to royal palace, regarding a mysterious creature, known as Monstrum by the peasants.

Three years ago, a father saved his daughter's life. After she's involved in a car accident, it looks like he'll have to do it again, no matter how many attempts it takes.

The ambitious success stories of 6 people surrounding Prince Lee Bang Won, and the ideological and political conflict between Prince Lee Bang Won and Jung Do Jeon, the man instrumental in helping King Taejo establish the fledgling Joseon nation.

Following the case of the murder of a professor at South Korea's top prestigious law school, professors and students become suspects in the murder.