A former East German spy who has a romantic history with Luke Brunner, Greta has been laying low since faking her death in 1989. However, she’s still an absolute force to be reckoned with. She works for Dante Cress, a mysterious individual determined to cause chaos by bringing down the US power grid. Her romantic past with Luke potentially compromises him, since their chemistry is as strong as ever — even as they’re on opposite sides.