After a fake 9-1-1 call nearby an abandoned warehouse draws Supergirl to save the day, she finds herself on the verge of death, and she worries that she won't make it back to her girlfriend, Lena Luthor, of whom she was about to propose to.
It is the day after Lena left the Fortress with Myriad. The state of Kara's heart is undeniably broken to the point where the only thing she can think of is talking to Lena. Unfortunately, Lena possesses kryptonite, and Lena would surely kill her. Kara doesn't want to believe it. When all hope seems lost, Alex tries to fix everything with one simple thing. This thing could mend a broken heart, or brake it even further. This thing is a USB.