"Hawaii Five-O" season 7 episode 22 titled "Waimaka 'ele'ele" or "Black Tears" is the next episode in the crime-drama series on CBS. This episode will focus on Steve McGarrett's (Alex O'Loughlin) surprise discovery about what really happened during Pearl Harbor and how important was his grandfather in the historic event. Adam Noshimuri (Ian Anthony Dale) will uncover bone fragments at his construction site. He will wonder what these are and if there was a crime that happened in the area. His curiosity will lead him to the Fiv-Os and he will ask the help of Jerry Ortega (Jorge Garcia).

McGarrett will be waist-deep in investigating the murder of one of the last survivors of the USS Arizona in "Hawaii Five-O" season 7 episode 22. He will think that he has finally cracked the surface of the mystery when he discovers the real connection of his grandfather to Pearl Harbor, TV.com reported. McGarrett will do all he can to clear things up while he works on the USS Arizona murder at the same time.

Meanwhile, Adam and Jerry will try to find out about the bone fragments that Adam found in his construction job. A crime may have happened at the area some time ago but this has to be solved before construction in the area resumes in "Hawaii Five-O" season 7 episode 22.

Previously on "Hawaii Five-O," McGarrett and the rest of the group face eminent death after being captured for tracking a dangerous criminal to Lanai Island. Lou Grover (Chi McBride) accompanies his son to Chicago where he testifies against a police officer from his past according to Hidden Remote.

"Hawaii Five-O" season 7 episode 22 will air on April 14, Friday, 9 p.m. on CBS. Previous and latest episodes of "Hawaii Five-O" and other CBS series are available online via CBS.com.

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