When a rising young pop star ends up dead in an alley, the team at the 12th delves into her hard partying lifestyle. What was this Miley Cyrus-like celebrity up to, exactly?
But there may be an even bigger revelation that shocks them all in Castle Season 6 Episode 13, set to air a week from this Moday.
How will being thrust into the "Limelight" affect Rick and Kate's relationship? You'll have to tune in on January 20 to find out... but check out these preview photos below.
And don't forget: you can always catch up and watch Castle online right here at TV Fanatic.