The seventh season of Hawaii Five-0 premiered on September 23, 2016 on CBS and concluded on May 12, 2017. The season consisted of 25 episodes.
Episode 1 – Ready to Play
When the bodies of two serial killers are found on Five-0 property with chess pieces in their mouths, McGarrett and the team hunt for a vigilante as fear grows that tourists aren’t safe in Hawaii.
Episode 2 – For Queen and Country
Five-0 must work with rogue MI-6 agent Harry Langford to find a terrorist planning to cause nuclear reactors across Europe to meltdown. Also, McGarrett and Danny ask retired FBI profiler Alicia Brown to help them find their serial killer vigilante.
Episode 3 – New Player
When FBI Profiler Alicia Brown finds a body in her bed, she is forced to join McGarrett in the hunt for the chess-piece killer. Also, Kono reconnects with a former surfing competitor, who is now a disabled and homeless war vet
Episode 4 – The Fire of Kamile Rises in Triumph
Five-0 must find McGarrett and Alicia when they are kidnapped by the serial killer they’ve been hunting.
Episode 5 – The Stand
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.
Episode 6 – House of Horror
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.
Episode 7 – Mother and Son
Five-0 must free McGarrett’s mother, Doris, when Catherine informs them that she was captured and is about to be executed after attempting to free Wo Fat’s imprisoned father. Also, Chin loses his appeal to have Sara’s adoption delayed, and she must move to Mexico.
Episode 8 – Rite of Passage
While Danny chaperones Grace’s winter formal, terrorists seize the venue and hold everyone hostage in order to kidnap a diplomat’s son. Also, Danny and Grover are shocked to learn that Will is Grace’s secret boyfriend.
Episode 9 – Two Days in November
When a conspiracy theorist with compelling evidence that JFK’s cabinet ordered his assassination is murdered, Five-0 investigate’s one of history’s most notorious unsolved mysteries.
Episode 10 – The Burden
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. Meanwhile, Danny’s sister visits Oahu for a business conference and he suspects she may be getting too close to a co-worker.
Episode 11- Snatchback
Five-0 races to Mexico where Chin puts his life on the line after his niece Sara is kidnapped.
Episode 12 – The Deal
After Chin is kidnapped by a cartel in Mexico, Five-0 must find and rescue him before he is executed by the group that’s out for revenge. Also, Grover goes undercover as a car salesman to investigate a murder that turns out to be far more complex and dangerous than expected.
Episode 13 – The Clouds always Return to Awalua
As Max prepares to say goodbye to his Five-0 ohana, they must investigate a murder during a police convention on the Island.
Episode 14 – Line in the Sand
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.
Episode 15 – Bi Game
When working a murder case involving the illegal practice of shark finning, Five-0 uncovers the possibility that a former Nazi war criminal may be hiding out in an old leprosy colony in Hawaii.
Episode 16 – Crazy in Love
While McGarrett and Danno celebrate Valentine’s Day with their girlfriends, the rest of Five-0 investigates the murder of a man taking a class on how to land women.
Episode 17 – Hunting Monsters
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.
Episode 18 – Handle with Care
When Steve and Danny find themselves with a literal ticking time bomb, quick-thinking might not be enough to save them from the deadly blast.
Episode 19 – Exodus
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.
Episode 20 – The Fishhooks of the Fishers become Entangled
Five-0 helps PI Harry Brown (guest star William Forsythe) 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.
Episode 21 – The Water is Dried
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.
Episode 22 – Black Tears
While working the murder case of one of the last survivors of the USS Arizona, McGarrett learns about his grandfather’s important role at Pearl Harbor. Also, Adam uncovers bone fragments at his new construction job and asks Jerry to help him discreetly investigate.
Episode 23 – Prelude
Danny protects a coma patient showing signs of waking who was the key witness from his last HPD case before he met Steve and joined Five-0.
Episode 24 – A Croaking by Hina’s Mudhen
When McGarrett gets a tip that someone is plotting a terrorist attack on Oahu, Five-0 searches for those behind it before it’s too late. Also, Chin and Abby have a very difficult decision to make.
Episode 25 – The Life of the Land is Perpetuated
McGarrett risks his life when Five-0 attempts their most dangerous rescue yet of young girls trapped in the sex trafficking ring they have been tracking this year. Also, Kono, deeply affected by the case, makes a life-changing decision, on the seventh season finale.
Season 7 is all about change, redemption and life lessons. It only takes a moment for life to change in an instant. We must recover from it no matter what it takes. Season 7 brought us a lot of changes that we didn’t know we needed.