Watch Hawaii Five-0 Online: Season 10 Episode 16

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What happened to Grover's niece?

On Hawaii Five-0 Season 10 Episode 16, there was much drama when the teenagr went missing from the police academy. 

Siobhan Goes Missing - Hawaii Five-0

As an investigation got underway, the team learned her boyfriend was a member of the Yakuza. 

Was the boyfriend to blame?

Meanwhile, McGarrett's escape from a deadly situation made him question his future. 

What decision did he come to?

Use the video above to watch Hawaii Five-0 online right here via TV Fanatic. 

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Hawaii Five-0 Season 10 Episode 16 Quotes

Danny: She did not kill her husband. She's a victim.
McGarrett: International incident or not, if she didn't kill her husband, we won't let her go down for it.

Adam, going on your own, you put my niece's life at risk. It's going to take me a while to get over it.

Grover [to Adam]