Hawaii Five-0 - Season 7 (2016)

Five-0 must find McGarrett and Alicia when they are kidnapped by the serial killer they've been hunting.

When a cache of guns is stolen from a gun range, Five-0 discovers the culprit is intent on making a dramatic and potentially deadly statement on gun violence. Also, Kono and Adam are finally reunited when he is released from prison.

On Halloween, Five-0 investigates the murder of a medium with a checkered past who was apparently scared to death by a poltergeist. Also, Kono and Adam are kidnapped by what appears to be a death cult.

McGarrett's long-lost love, Catherine, returns to Hawaii unexpectedly to tell Steve that Doris is in trouble and needs his help to be rescued.

While Danny chaperones Grace's winter formal, terrorists seize the venue and hold everyone hostage in order to kidnap a diplomat's son.

A conspiracy theorist with compelling information that JFK's own cabinet planned his assassination is murdered. Jerry tells the story of the Honolulu Conference on November 20. 1963.

Five-0 investigates the 10-year-old cold case of a missing teen when a boy suffering from PTSD undergoes hypnosis and realizes he may have witnessed her murder. Also, Danny's sister, Bridget (guest star Missy Peregrym), visits Oahu for a business conference, and he suspects that she may be getting too close to a co-worker.

Five-0 heads to Mexico where Chin risks his life to rescue his kidnapped niece.

The team handles the fallout in Mexico after Chins problems, back on the Island Grover goes undercover.

As Max prepares to say goodbye to his Five-0 ohana, they must investigate a murder during a police convention on the Island.

Five-0 must go up against an aggressive U.S. marshall, Lincoln, when a man wanted for murder escapes capture and seeks asylum in the sovereign land belonging to the Nation of Hawaii.

Five-0 uncovers the possibility that a Nazi war criminal may be hiding in an old leprosy colony.

McGarrett and Danny spend Valentine's Day with their girlfriends, while the rest of Five-0 investigates the murder of a man who had been taking classes on picking up women.

McGarrett and Five-0 once again become entangled in the twisted mind games of serial killer Dr. Madison Gray when she stumbles into HPD covered in blood that matches Alicia Brown's, and claims amnesia.

McGarrett and Danny finally track down the missing uranium, which has been used to build a bomb located in the middle of the jungle. Now, they must carefully extract the unstable explosive through treacherous terrain before it detonates.

McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island. Also, Chin and Grover investigate a murder at a sober living facility.

Five-0 helps PI Harry Brown work the case of a kidnapped wealthy woman whose husband may have something to hide. Also, Rachel tells Danny that she is getting a divorce from Stan.

McGarrett and Five-0 are captured and face certain death after tracking a dangerous nemesis to the Island of Lanai. Also, Grover takes his son to Chicago where he testifies against a dirty cop from his past.

McGarrett works the murder case one of the last survivors of the USS Arizona. Adam uncovers bone fragments at his new construction job.

Danny protects a coma patient who was the key witness from a previous case at the Honolulu Police Department.

When McGarrett gets a tip that someone is plotting a terrorist attack on Oahu, Five-O searches for those behind it before it's too late. Also, Chin and Abby have a very difficult decision to make.

McGarrett puts his life in lethal danger when Five-O puts a risky plan to rescue a group of young girls from a sex trafficking ring in motion, Kono decides to make a life- altering choice because of the unique strain caused by the case.