After suffering a tragedy at the hands of a violent criminal group, a blind Kang Gi-beom receives an operation for a special new pair of eyes.
On a team mission at the ARGOS leaders wedding, Gi-beom runs into someone who haunts his memories. Hwang Deuk-gu is tired of playing underling.
While ARGOS leadership engages in a power struggle, Gi-beom wonders about the origins of a dangerous device retrieved from a dead mans head.
Across the city, dead bodies crop up wearing signs that accuse Gi-beom of murder. Tae-woong delivers an ARGOS boss to the police.
Gi-beom loses control of his eyes, which have taken on a life of their own. Deuk-gu shocks RUGAL when he appears on TV with a message.
With a bus full of civilian hostages on the line, Gi-beom knows he must face Deuk-gu alone. Bong Man-cheol grapples with an ultimatum.
The RUGAL team rise to fame as masked heroes against ARGOS, which has become public enemy No. 1. Deuk-gu makes an unanticipated move.
Needing answers from Deuk-gu, Gi-beom frees him from the police. A tragedy leads to revelations of secrets that Choi Geun-cheol has been keeping.
Gi-beom resists when his eyes begin directing him to kill indiscriminately, and looks for access to a video of RUGALs beginnings.
Soon after Gi-beom wakes up with no memories, a worrying turn of events threatens the team. Meanwhile, Ye-won witnesses Deuk-gus fearsome power.