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Castle Sneak Preview: Sisterly Secrets

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We may have been given an unwanted break from Castle Season 6 this week.

But at least ABC has treated fans to an early look at what's down the road.

On March 24, a murder investigation leads Castle and Beckett down a twisty trail, as their victim turns out to be a confidential informant for the U.S. Attorney.

Castle Season 6 Episode 19 becomes even more complicated when the U.S. Attorney in question turns out to be Captain Victoria Gates sister. Awkward! It's a detail that could make things easier... if the siblings were actually on speaking terms. 

It's never easy when you mix murder and family.

Check out these photos from "The Greater Good" - and don't forget that you can always watch Castle online here at TV Fanatic. We make it easy...

Murder and Family
A murder investigation ends up involving Capt. Gates family on Castle. "The Greater Good" is the 19th episode of the show's sixth season.

C. Orlando is a TV Fanatic Staff Writer. Follow her on Twitter.

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It will be nice to see some of Gates backstory. Would also like to meet her husband.