A blind Kang Gi-beom undergoes an experimental surgery, offered a chance at sight after suffering a devastating attack by a violent criminal organization.

At the wedding of the ARGOS leader, amidst the celebratory throng, Gi-beom encountered a face from his past – a ghost of a memory he couldn't shake. Meanwhile, Hwang Deuk-gu, weary of a life lived in the shadows, resolved to step into the l…

He pondered the origins of the perilous device he’d extracted from the deceased, while Gi-beom considered the source of a power struggle.

A discordant note shattered the smoky haze of the jazz club, and with it, a sense of impending dread settled over Lee Gwang-cheol. Deuk-gu’s disruption had unleashed something far more unsettling than mere noise. The consequences of such br…

A sense of unease settled upon Choi Ye-won; she recognized the need for safeguarding herself. The arrival of a disturbing package propelled the team toward a terrifying, hidden location.

As the listening device hummed, Gi-beom stumbled upon an unforeseen revelation. Meanwhile, Han Tae-woong revisited the tragedy that propelled him to RUGAL.

Song Mi-na embarked on a perilous quest to retrieve the abducted employee, a high-level RUGAL operative. Her mission, however, quickly became entangled with unforeseen complications.

They found themselves disoriented, the team’s efforts to locate their position leading them to a bustling park. But the vibrant atmosphere dissolved into a scene of terror.

Bodies began appearing, each bearing markings that implicated Gi-beom in a murder. Meanwhile, Tae-woong presented the police with an ARGOS boss.

Deuk-gu’s sudden appearance on television, delivering a message, stunned RUGAL.

Gi-beom understood that he had to confront Deuk-gu alone. Bong Man-cheol wrestled with an impossible demand.

He made an unexpected move.

A tragedy unfolds, revealing long-held secrets. Choi Geun-cheol's hidden past is brought to light. In a desperate act, Gi-beom frees Deuk-gu from the authorities.

A flicker in his gaze, a subtle shift in his posture – it was the tell. The world seemed to tilt on its axis as a darkness gathered within him. He sought not understanding, but a glimpse into the genesis of violence, a primal origin. A vide…

A disquieting absence of memory had befallen Gi-beom, a troubling development for the team. Simultaneously, Ye-won observed Deuk-gu’s formidable strength.

The truth, a bitter draught, was finally forced upon him in a painful reckoning with Geun-cheol. Gi-beom resolved, with grim determination, to eradicate Deuk-gu from his life entirely.