An investigation into a youth counselor's murder leads to the world of high-end reform programs on Lucifer. "What Would Lucifer Do?" is the fourth episode of the show's third season.
Amenadiel: You are a mockery of everything divine. Lucifer: Thank you. Thank you, but lately I've been thinking. Do you think I'm the Devil because I'm inherently evil, or just because dear ol' dad decided I was?