Castle (Nathan Fillion) and Beckett (Stana Katic) will end up on a cruise ship in the winter finale of ABC's Castle.

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ABC has released a plot synopsis for the 2015 finale of Castle, titled Mr. and Mrs. Castle. The plot synopsis reads as follows:

"Castle and Beckett investigate the murder of a cruise ship entertainer, only to find themselves trapped at sea with the killer. 'Mr. & Mrs. Castle,' the winter finale, will air on MONDAY, NOVEMBER 23 (10:01-11:00 p.m., ET/PT) on the ABC Television Network."

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So will the episode end on a positive note for the crime fighting duo? That's what show runners Alexi Hawley and Terence Paul Winter are intending.

Winter said "this is the end of the first evolution of what this journey's going to be and we're ending it with a promise of what's to come in the new year. People, I believe, are going to be very excited because I know I'm excited about what the New Year's going to bring."

Hawley added they were "really excited" about how the first portion of the season has gone so far, teasing, "we really feel like we're ending our fall finale in a really dynamic, really positive way and we can't wait for people to see it."

It's not known if Castle and Beckett will get back together, though this should at least leave some morsel of hope for fans. Maybe.

Castle airs Mondays at 10 p.m. ET/PT on ABC.

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Castle, Television, ABC