Gosu (2015)

A young martial artist embarks on a perilous journey through the Murim, driven by a singular purpose: to exact vengeance on behalf of his master. Once an overwhelmingly powerful figure in the martial world, his master suffered a devastating betrayal at the hands of his own subordinates and narrowly escaped with his life. Now, carrying the weight of that injustice, the disciple steps forward armed with his mentor’s supreme combat techniques, fully prepared to unleash terror and sow chaos among those who orchestrated the treachery. However, his quest for retribution encounters an unexpected obstacle before it can truly begin. Upon entering the martial world to hunt down the traitors, he discovers a startling truth—the very men who betrayed his master have already met their demise. With the targets of his vengeance gone, the young warrior is left standing at a crossroads, his formidable skills intact but his original mission rendered entirely void. Stripped of his guiding purpose, he must now navigate the treacherous landscape of the Murim to determine what path remains for a martial artist whose war ended before he could even draw his blade.