Alex is trap into somewhere which both supergirl and she don’t know. A man is arrested and he demand for exchange Alex for his father out of prison. Alex disagree with this agreement then, she has a private talk with Maggie.

Supergirl S03E07, Kara, J’onn and Winn investigate a crashed spaceship detected beneath National City. They find Mon-El and occupied stasis tanks aboard. They take him back to the DEO

Coville, Selena and the other Kryptonians begin a ritual at the Fortress of Sanctuary to summon Reign back to Earth.

J’onn is able to save Supergirl before she crashes to the ground but the Kryptonite in the atmosphere continues to weaken her.

Barry Allen and Oliver Queen wake up as wanted criminals hunted by John Deegan as a black suited Superman while Kara is imprisoned at S.T.A.R. Labs, with a rewritten Alex guarding her.

Nia awakens abruptly from a fantasy including Agent Liberty. Kara and J’onn glance through Manchester Black’s condo.

Supergirl is attracted by Manchester Black to Shelley Island, an outsider movement focus and landmark site, where the Children of Liberty confine her and bolt her inside the landmark and set it to explode.