Alex and Kara fight, but Kara tries to stop her. 

J'onn shows up with Eliza who tries to get through to her before she can kill Kara. It works, and Alex has her mind back. 

Supergirl sends out a mass message of hope to try and get through to everyone. It works and everyone gets back control of their minds.

Non is angry that Myriad failed. Indigo's new plan is to kill the humans and leave Kara behind as queen of a dead Earth.

Kara returns to work and James tries to talk to her about the kiss, but Cat interrupts. 

Lucy stands up to her dad for J'onn, who is still injured. 

Alex tells Eliza that Jeremiah is still alive. 

Max arrives and tells them that Myriad has been amplified and is causing headaches that will kill everyone in four hours. 

Kara knows she's up against bad odds, and that she could die battling Non and Indigo.

Lucy insists her father release J'onn so he can help Kara.

The fight ensues. J'onn kills Indigo and Kara takes down Non, but they can't stop the Myriad signal.

Kara plans to fly the ship into space, but she won't be able to make it back. Alex uses Kara's pod to bring her back. 

J'onn receives a full pardon and is put back in charge of the DEO.

Cat promotes Kara and gives her a new office. 

James gives Kara a gift and kisses her. 

Kara and J'onn find a pod identical to hers. Kara opens it, but we don't get to see who's in it.