Rui used to be a singer, but now works at a bar. She then meets successful idol singer Momoko, but, by accident, Rui kills Momoko and her colleagues. To create an alibi, Rui puts together an idol group.
Akira Mochizuki (Kie Kitano), who replaced Natsumi Yukihira (Ryoko Shinohara), begins her job at the Tokyo Metropolitan Police Department. A female high school students asks her to find her missing father.
This drama depicts the ideological and political clashes that happen between Taejong and Jung Do-jeon, the man instrumental in helping his father Taejo establish the Joseon nation, and the drama follows the conflict as they attempt to consolidate their power and the state of the fledgling nation.