Highlights from the Fifth Episode of Season 4 of Hawaii Five-0

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Officers in Uniform on "Kupu’eu” Season 4 Episode 5

As Catherine’s seemingly harmless surveillance job takes a deadly turn, Adam considers making the ultimate sacrifice to save Kono, on HAWAII FIVE-0, Friday, Oct. 25 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo Best Possible Screen Grab/ ©2013 CBS Broadcasting Inc. All Rights Reserved