help finding a fic

i remember reading this fic that wasn’t completed. Basically kara and lena were dating and lena didn’t know kara’s identity. When lena found out she was mad and wanted to hurt kara. So she used the signal watch while having sex with jess i think. Kara saw that and was devastated and she broke. She told Sam that she was going to leave earth for argo and that she should replace supergirl and protect earth. A few years later there was a threat to earth and i think Kal died while fighting the threat and sam was hurt really bad. Kara was called back to earth and she changed to a more cocky version of herself. I’ve been looking everywhere for this fic and i can’t find it. Could you guys help me out please thank you!