Stealth Martial Swordsman

After the battle with Seojeong Guryun Temple ends in victory, the clan Black Wolf Fortress, which suddenly appeared in the Central Plains martial world, has its evil rumors confirmed as true, is designated a demonic sect by the Martial Alliance, and is wiped out.

One year later, Song Hyeon, the leader of Cheongwi Escort Agency, who wants to settle all grievances in the jianghu and retire, accepts one last request from the Martial Alliance.

That request is to infiltrate the forbidden area, Black Wolf Fortress.

Song Hyeon selects four martial artists who are shunned in the martial world and enters Black Wolf Fortress together with the Shaolin monk Jingwang....