They race to the Kent barn. Inside, beneath the floorboards where Clark once hid his ship, Lois finds a lead-lined box. Inside: a green crystal (not Kryptonian— Luthorian ). She touches it. A hologram of Clark—recorded months ago—appears, bruised and exhausted, speaking in rushed Kryptonian and English:
“If you’re seeing this, Luthor found a way to phase-shift me. I’m not dead. I’m trapped in the inverse zone. Lois… the boys… don’t come for me. He wants you to try. But there’s another way. My cousin. She’s not on Argo. She’s been on Earth the whole time. Hiding. Her name is—” superman & lois s04e02 dvdrip
In the cellar, Lois finds an old radio. She rigs it to broadcast on Clark’s private JLA frequency. No response. Jordan breaks down, admitting he heard his father’s last thoughts during the attack: “Tell Lois… the barn.” They race to the Kent barn