Why did someone murder a vulnerable person at a sober-living facility?
That was a key question for Chin and Grover on Hawaii Five-0 Season 7 Episode 19 when they decided to investigate.
Meanwhile, McGarrett and Kono joined forces when they thought that an abused girl could be the victim of a sex trafficking ring on the island.
Did they manage to solve the crime without anyone else getting hurt?
Use the video above to watch Hawaii Five-0 online to get caught up with the latest drama for the characters on this hit series.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.