Wentworth Miller Online

VGuide.com: You’re back on Prison Break, at least in the standalone movie being released to DVD. When did you shoot that?
O’Keefe: We just finished it actually, at the end of the season.

TVGuide.com: Gretchen was in fact taken into custody and imprisoned? She couldn’t wiggle her way out of that last predicament?
O’Keefe: No. I was hoping she would, but it’s nice to come back for these last two episodes.

TVGuide.com: The set-up isn’t about her orchestrating a prison break, however. It’s about somebody else…
O’Keefe: Yes, the central set-up is about somebody else being in prison, and what that’s going to be like. It’s kind of cool because this is like a rewind.

TVGuide.com: Meaning, whereas the series’ actual finale ends with a four-year flash-forward this movie place during that time gap.
O’Keefe: Exactly.

TVGuide.com: Is Gretchen even harder in prison, or has it humbled her?
O’Keefe: She’s pretty hard in prison, though she’s keeping to herself. She has one goal in mind — to get out and see her daughter. But she has been very quiet, and has established herself as someone not to mess with. The inmates all leave her alone, so she must have done some fighting when she first got in!

Source: TVGuide