Castle is all-new tonight with Season 4, Episode 17: "Once Upon a Crime," and according to our exclusive interview with Tamala Jones (Lanie Parish), it's going to be one twisted ride!

Tonight, Castle and Beckett attempt to track down a deranged serial killer who stages his crime scenes to look like famous fairy tales.

Will our killer live happily ever after, or will the writer and his detective muse put a stop to his murderous rampage before more innocent lives are lost?

Click here for our sneak peek and spoilers roundup, and don't forget to tune in to "Once Upon a Crime" tonight at 10 p.m. ET on ABC.


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