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Lois investigates a hidden lab where Tess' scientists are conducting experiments with red kryptonite. She inadvertently starts an explosion, and when Clark later investigates, he becomes infected. His worse self is unleashed and he joins forces with Zod against the humans, forcing Tess and Chloe to team up to stop them both.
At Tess' secret laboratory, a scientist perfects a cybernetic self-sustaining heart powered by red kryptonite. They take it to their test subject, unaware that Lois has infiltrated the lab and is recording her activities. A security guard spots her and realizes she has a fake badge. Lois tries to bluff her way past but the head scientist tells the guard to call the boss and get rid of Lois. As they struggle, the scientist realizes their test subject has escaped. Meanwhile, Lois knocks the guard into a tank of flammable gas. As she runs, the gas ignites, blasting her down an elevator shaft. A man catches her: John Corben, his green kryptonite heart glowing...Read the full recap
Chloe: Clark Kent at the keyboard? Have I been downsized in the bureaucratic world of superheroes?
Zod: Religion is science. Not some… mystical questioning of it.
Lois: By the way, this is the least-secret secret lab I've ever been in… twice.
Clark: This is my lucky day to be saved.
John Corben: Kal-El… take it from someone whose been there. We don't always know when we need saving.
Lois: God, do you take lessons in how to do that?
John Corben: Okay. Isn't the appropriate response "Thank God you're still alive. Too bad you're wearing clothes this time."?
Lois: Yes, that's it. The first part.