Paul Matthews arrives. He has one card left: a grenade with a dead man’s switch. He threatens to blow them all up unless Im Sang lets Jae-kyung go.
We meet Im Sang (the rogue agent), a disgraced former intelligence operative with a terminally ill daughter. Director Choe blackmails Im Sang into retrieving the serum by promising a cure for his daughter.
Jae-kyung races to stop him. Paul’s team also tracks Im Sang. All three forces converge on the black site headquarters. Episode 4: "Monster’s Birth" Full-scale chaos. Im Sang, fully transformed, tears through the black site. He shrugs off bullets, breaks bones with one hand, and kills 20 guards in three minutes. Director Choe locks himself in a panic room.
Im Sang, now increasingly unstable from the serum in his blood, decides to use the full vial. He injects himself completely. His body mutates: veins turn black, muscles bulge, and he speaks in a distorted double voice. He leaves to kill Director Choe. The.Tyrant.S01.E01-E04.x265.720p.DSNP.WEB-DL-AD...
Jae-kyung gets to the panic room first. Director Choe begs for his life. She executes him anyway. Im Sang bursts in. Jae-kyung stabs him with a syringe of experimental sedative—it barely slows him. He grabs her by the throat.
Paul Matthews, frustrated, visits Director Choe personally. Choe reveals the truth: the serum was never meant for soldiers—it was a bioweapon designed to turn enemy combatants into uncontrollable monsters. Paul is horrified but still demands the serum.
Paul Matthews arrives in Seoul and threatens Director Choe: find the serum in 48 hours, or the U.S. will level the black site. Episode 2: "Hunting the Ghost" Im Sang hides out in an abandoned shopping mall with the real vial. He injects himself with a tiny dose to test its effects—his wounded arm heals instantly, but his eyes turn black, and he nearly kills a civilian. Paul Matthews arrives
Im Sang laughs in his dual voice: "I don’t fear death anymore."
Im Sang tracks the serum to a black-market auction in Busan. He retrieves it but is ambushed by a mysterious woman—, a North Korean spy turned assassin. A brutal hallway fight ends with Im Sang escaping, but Jae-kyung steals a false decoy vial.
Jae-kyung arrives and engages Im Sang. It’s not a fair fight—she’s outmatched. But she uses tactical explosives to slow him down, blowing off his left arm. It begins regenerating immediately. We meet Im Sang (the rogue agent), a
Meanwhile, Paul Matthews assembles a team of ex-Korean special forces mercenaries, including the cold-eyed sniper and the demolitions expert Pil-ho . Their mission: capture Im Sang alive and extract the serum.
Paul’s team raids the mall. Gunfight erupts. Im Sang uses a fraction of his superhuman speed to evade capture. Jae-kyung kills two mercenaries but is wounded. They escape through a parking garage, with Han sniping from a rooftop—and missing Im Sang’s head by an inch. Episode 3: "The Price of Power" Cold Open: Flashback to the Tyrant Program’s first human trial. A volunteer soldier goes berserk, killing 12 researchers before being put down. Director Choe orders the program buried—except for one vial.
Jae-kyung realizes she has a fake. She tortures a middleman for Im Sang’s location.
But Jae-kyung whispers something to him: "Your daughter is still alive. The cure I lied about? I found a way to reverse the early stages. Let me save her."