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Lena wakes up on Rhea's ship. Rhea tells her she's where she belongs, by her side. 

War has broken out in National City. The NYPD and DEO are under attack.

Rhea tells Mon-El she wants him to marry Lena. 

J'onn is still out of commission in a comatose state. 

Lillian Luthor arrives to suggest they work together against their common enemy. Alex and Kara refuse her help.

President Marsdin sends a message to Rhea. Cat Grant joins the transmission as a mediator. Air Force One is attacked and Supergirl saves Cat's life. President Marsdin reveals herself as an alien. 

Marsdin tells Alex and Supergirl to go to the DEO and shoot down the Daxamite ship. 

Rhea threatens to destroy Lena's children's hospital if she and Mon-El don't agree to get married. 

Alex thinks they should follow the President's orders to protect the city, but Kara wants to find a way to save Lena and Mon-El. 

Kara goes to Lillian for help. They use a projector in the Fortress of Solitude to get Kara to the ship. 

Cat gives a live news report to tell everyone to resist. 

Kara and Lillian arrive on the ship to try and rescue Lena and Mon-El before Alex is forced to shoot down the ship. Lillian leaves with Lena, but leaves Kara and Mon-El behind. Lillian tells Alex to take the shot. 

Kara had a backup plan in case Lillian double crossed them. She sends Mon-El off the ship, but stays behind to talk to Rhea. Rhea is not interested in surrendering, and Kara is attacked by Superman. 



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Supergirl Season 2 Episode 21 Quotes

Good evening, National City, it's Cat Grant. Yes, I've been away for awhile, but I'm back. Now I can imagine that you're feeling afraid and feeling like your world is spinning out of control. But believe me, you have a power. And right now, you have a job to do. Resist. Resist these invaders with everything you've got. They come with empty promises and closed fists. They promise to make our world great again, and yet they know nothing about the people who make this world great.


President Marsdin: [After showing her alien face] I suppose I owe you an explanation.
Cat: Well at least tell me you're still a Democrat.