In prison, she reconstructs the mission and it becomes clear to her that the whole mission was a set-up. Somebody wants to get rid of her in a bad way, but also wants something from her. Which is why she's being interrogated but not on the assassination. She tries to put the pieces together but can't quite believe it when all the evidence points to her mentor. In a final burst of strength she breaks out of prison, right before the cavalry in the guise of her new lover come to break her out.
It's supposed to be a Silhouette Bombshell, so i've got to keep the interrogation/torture scenes to a minimum I'm thinking, but otherwise everything is fair game.