13 March 2011,
Below is the title and spoilers for Hawaii Five-0, Season 1 Episode 21 from SpoilerTV.com:

Episode 1.21 is entitled 'Ho'ohuli Na'au.'
Hidden appearances is the main focus, with guest star Kenza becoming distraught when her famous photographer fiancee, Renny loses his life in mysterious circumstances.

What happened to Renny is pretty explosive, his trailer blowing up out of the blue.

Labels: CBS, Hawaii Five-O, Season 1, Spoiler