(Like a Whirlwind, Whirling the Dust Upward) Harry Langford helps Five-0 investigate a series of murders that follow the plot of a fabled unpublished crime novel from the 1920s. Tani and Junior’s friendship takes a meaningful new turn.
(Man is a Slave of Love) On Valentine’s Day, Tani and Noelani are held hostage during a convenience store robbery. Five-0 investigates the murder of a Thai diplomat whose wife confesses to the crime, but Danny suspects she’s covering for the real killer.
(Yours is the Mouth of an Octopus) When Grover’s niece goes missing from the police academy and it’s discovered her boyfriend is an undercover member of the Yakuza, Adam may be her only hope of rescue.
(There Was a Lull, and Then the Wind Began to Blow About) Soon after Danny meets the girl of his dreams, they get into a potentially fatal car accident in an area far from help. McGarrett enlists Quinn and Tani to help when Eddie the dog suddenly shows signs of PTSD.
(The Rat Was Caught Right in the Nest) Grover and Five-0 investigate a murder at a private golf course involving a man who was frozen to death in the locker room’s cryo-chamber. McGarrett tags along with Danny when he tracks down the father of a boy who has been bullying Charlie.
(Where Were You When the Rain Was Pouring?) When a list of undercover CIA agents is stolen, Steve and Five-0 enlist the help of Magnum, Higgins, Rick, and TC to get it back and protect national security. Higgins gives Tani some personal advice. Part 2 airs on Magnum P.I.
(To Return Evil for Evil) When Five-0 investigates a tourist helicopter that was shot down by a missile, they trace the stolen artillery to a ghost from McGarrett’s past. After Adam’s ordeal in rescuing Tamiko and reconnecting with the Yakuza, he makes a bold decision about his future with Five-0.
(You and Me; It is Hidden) When Adam’s girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back. Five-0 investigates three seemingly unconnected homicides.
(The Trunkless Tree of Kahilikolo) It’s Thanksgiving, and while Junior and Tani track down the thief who robbed his parents’ home, Five-0 investigates the murder of a beloved philanthropist and the theft of his ultra-valuable koa tree. Danny moves in with McGarrett.
(That Way and This Way Shifts the Sand of Punahoa) Five-0 teams up with a DEA agent to search for a killer whose plane crashed in the jungle with $10 million worth of heroin on board. Grover is thrilled when his niece Siobhan comes to try out for the University of Hawaii basketball team.
(DNA) When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes solo to Mexico to bring her home and prove her innocence.
(All Knowledge is Not Learned in Just One School) McGarrett and the team investigate when a deadly hit-and-run involves a driverless car carrying heroin, and what could be a new means for delivering drugs. Tani and Quinn are stuck with a pair of YouTubers who are brought on a ride-along with Five-0.
(Don’t Blame Ghosts and Spirits for One’s Troubles; A Human is Responsible) It’s Halloween and Five-0 investigates a home invasion turned deadly after a dangerous “monster” escapes from the basement. Max returns to Oahu with a very special guest.
(Tiny is the Flower, Yet It Scents the Grasses Around It) Five-0 enlists imprisoned hacker Aaron Wright to help when a young girl is reported kidnapped, but upon rescue, the culprits are dead, the girl is safe, and she’s not who she claims to be.
(Passing Time Obscures the Past) Five-0 investigates when a plane that mysteriously crashed into the Pacific in the ’80s is found, but with a recently murdered scuba diver inside. Also, as MacGarrett and Quinn zero in on who planted the bomb in his garage, and he formally asks her to join Five-0, she is arrested for money laundering.
(Knocked Flat by The Wind; Sudden Disaster) Tani and Junior must plot an escape for themselves and several civilians after they become trapped inside a deadly tunnel collapse, while Five-0 investigates the cause and culprits of the cave-in. Also, Eddie the dog uses his field experience and sniffs out a bomb that has been planted in McGarrett’s home. MORE -LESS
(The Skin Has Been Hurt by The Point of The Spear) A new ally helps McGarrett and Five-0 when mob bosses on the island are being targeted by an assassin. Five-0 says goodbye to one of their own.
