'Mercy for None' is a noir action series that follows 'Kijun', who returns after 11 years to uncover the truth behind his brother 'Giseok's death. Giseok was the second-in-command of an organization, and Kijun had previously left the world of the square by cutting his own Achilles tendon.
The series stars So Ji-sub, Gong Myoung, Choo Young-woo, Ahn Gil-kang, Jo Han-chul, and Lee Jun-hyuk, and is set to premiere on the 6th.