Did every member of the Five-0 make it out alive after being captured?
That was a key question on Hawaii Five-0 Season 7 Episode 22 when they investigated a dangerous enemy on the Island of Lanai.
The enemy, however, was prepared for their arrival with a string of traps.
Meanwhile, Grover took his son to Chicago where he testified against a dirty cop from his past.
Use the video above to watch Hawaii Five-0 online to get caught up with the latest drama for the characters on this hit CBS series.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.