Who was getting rid of the serial killers?
That was a key question on Hawaii Five-0 Season 7 Episode 1 when a string of serial killers wound up dead.
The thing that shocked the team about the murders was that each victim had an ivory chest piece in their mouths.
All of the drama led to the team trying to track down the vigilante before it was too late for Hawaii.
Use the video above to watch Hawaii Five-0 online to get up to speed with the latest drama on the series.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.