Did Lena choose to fight on the side of good or evil?
On Supergirl Season 5 Episode 18, the tech guru learned the true extent of Lex's plans and had to decide whether she was a hero or a villain.
Meanwhile, Supergirl made a decision about who to target first: Leviathan or Rama Khan.
Elsewhere, Lex realized that his plan was not as good as he first thought.
Was it the end of the line for him?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.