Jonathan Kent appears to Clark on his birthday and instructs him that he needs to kill Lionel Luthor because Lionel knows his secret. Meanwhile, Lionel comes clean to Martha about his knowledge of Clark's secret since his possession by Jor-El, and some of his scribblings from his now-telepathic link to Jor-El are revealed to announce that the "Vessel of Zod" is coming. Meanwhile, Lex has another meeting with Milton Fine who tells Lex that he is trying to make a vaccine to protect mankind against an alien virus. When Lana expresses suspicion that Fine is not who he appears to be, Fine reveals his real identity and that "Jonathan Kent" is just another copy of Fine (The Brainiac) sowing seeds of anxiety in Clark. Written by
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Mom, this isn't the first time I've seen dad. It's a long story, but Lana was in trouble. I tried to save her and had some sort of near-death experience. I saw dad; he was the one who told me Lionel knew my secret. That wasn't my imagination. What if this wasn't, either?
If that's true... if it really was your father...
Then what Lionel's up to is a lot worse than just knowing my secret.
It would have to be for your father to suggest taking someone's life.