. >> we're talking aboutlous christine lahti who you know from shows like "chicago hope," "law and order svu," and a turn on the season of hit series. >> her latest role is one of her most personal yet, and it's a new filmed called "touched with fire." she plays the mother ofwoman who is struggling to understand her bipolar disorder. >> i had ae really good plan. you are going to spend the night tonight, and then tomorrow morning first thing we'll if to you can ask anything'll figure all this out. >> i hate it when you look at me like that. >> how am i looking at you? >> like i'm crazy. >> i'm not looking atre crazy. >> no, you're looking at me like you don't even recognize me. >> no, honey. i love you. >> oh, my t is so heavy and personal, isn't it? >> yes. >> you chose this project for lots of reasons, but what was the main thing that drew you to >> my sister struggled with bipolar for over -- bipolar disease for over 20 years, -- it was a roller coaster of a life. she was the most brave, strongest, most resilient person and then she ended up taking her life after struggling with it fo