Ha Dongsoo, an immortal human known as a Connect, trades his eyes with a serial killer after he is kidnapped by a gang of organ harvesters. In order to protect further victims, Dongsoo pursues the serial killer.
EPISODE 1
Connection
Dongsoo is kidnapped and loses an eye to an organ hunter. Dongsoo makes a narrow escape. Meanwhile, the corpse art killer is still on the loose. Dongsoo discovers he can connect to the vision of the eye he lost.
EPISODE 2
Conjunction
Dongsoo tracks down the murderer who got his eye with the help of the connected vision. With the organ hunter chasing after him, Dongsoo desperately tries to find the murderer and get his eye back in time.
EPISODE 3
Composition
Dongsoo tells his secret to Detective Choi. Jinseop kidnaps the doctor who performed the eye transplant and forces a confession from him. Irang, an aspiring writer, tells Dongsoo the truth.
EPISODE 4
Confession
The murderer is on the spree again. While trying to catch him, Dongsoo becomes a murder suspect. With help to get out of the quagmire, he learns the shocking truth about 'Connect.'
EPISODE 5
Concoction
Odds are stacked against Dongsoo as he tries to rescue two hostages from Jinseop.
EPISODE 6
Confusion
Dongsoo is held captive at Jinseop's atelier. Irang and Detective Choi set out to Jinseop's atelier but their conflicting interests stir up chaos that could jeopardise the investigation.
Jung Hae-in
Go Kyung-pyo
Kim Hye-jun
Kim Roe ha
Takashi Miike
