Tae-yeul, a swordsman in his thirties goes out to find his only daughter after losing one of his eyes. Min Seung-ho, the Joseon dynasty's best swordsman chooses an ordinary simple life after perceiving the transient nature of power. Gurutai, the best swordsman in Qing dynasty aspires to become the best even in the Joseon dynasty.

Dong-Chul (Don Lee) and Ji-Soo (Song Ji-Hyo) are a happily married couple. One day, Dong-Chul comes home to find his house in disarray and his wife is missing.

Ma Seok-do works as a detective squad chief. His team struggles to bust a criminal ring who originally came from Yanbian, China and led by Jang Chen.

Dae-gil has been skilled with his hands and has shown a strong desire for winning ever since he was a child. He will succeed his uncle and jump into the world of Tazza, risking his life in competition.

Bok-Soon runs a street stall while taking care of her younger sister. Bok-Soon may not be the brightest girl but what she lacks in intelligence, she makes up for in uncontrollable rage. She’s infamously known as the “psycho bitch” in her neighborhood. Bok-Soon’s relatively peaceful life with her sister is disrupted when they cross paths with a serial killer named Tae-Soo. Tae-Soo kills Bok-Soon’s sister because she may have stumbled upon the truth of his murderous lifestyle. Bok-Soon’s rage consumes her completely, leading her to plot her revenge on Tae-Soo.