Lena Luthor had had a hunch for quite a long time, an inkling that Kara Danvers was not quite what she seemed. She would say something strange, and then try to backtrack, she knew things that didn't quite add up; Lena had read Kara's article about the duel Metallo attacks, and the information from both was far too detailed for an ordinary reporter to have found. Long story short, Kara was a complete mystery to Lena, and what fun is a mystery if someone doesn't try to solve it?