The best of intentions will turn into the worst of situation for Kate Beckett in a few weeks.

On "Belly of the Beast," look for an undercover Narcotics operation to request Beckett's help, only for things to take a deadly turn when the operation goes horribly wrong.

Can Kate come out on top in a battle of wits against some of the most dangerous men in the city's underworld, even when it brings her face to face with someone from her past?

Check out these preview photos for Castle Season 6 Episode 17, scheduled to air Monday, March 3rd on ABC.

And don't forget: you can always watch Castle online right here at TV Fanatic. Click away and enjoy!