Anyone who watches 'Scandal' knows that the ABC juggernaut series, about a Washington, D.C., fixer (Kerry Washington) and her staff of investigators, has more twists and turns than a roller coaster.

So, it should come as no surprise that the show's winter season finale (airing Thursday, November 20) will be its most shocking hour to date.

"You won't be able to go to sleep for hours after seeing it," co-star Darby Stanchfield -- who plays White House Press Secretary Abby Whelan -- told Rachael Ray.

"[It's] because of the way it ends," she continued. "You're going to lose your breath!" "You'll need a defibulator," she quipped.

Of course, Stanchfield couldn't reveal any major plot details; however, she did offer a few hints on what will happen to the show's infamous Cyrus Beene. "Cyrus gets himself into a bunch of trouble and it only escalates."

She also hinted that fans may get an idea of where Abby's love life is headed, before stopping herself. "I can't talk about!" She said. In which case, we'll just watch.