As Max prepares to say goodbye to his Five-0 family, they must investigate a murder during a police convention on the island.
Chin is kidnapped by a cartel in Mexico and Five-0 races to rescue him before he is executed by his vengeful abductors. Meanwhile, Grover goes undercover as a car salesman to investigate a murder that turns out to be far more complex and dangerous than expected.moreless
Five-0 races to Mexico where Chin puts his life on the line to rescue his niece Sara from kidnappers.
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.moreless
A conspiracy theorist with compelling evidence that JFK's cabinet ordered his assassination is murdered. Five-0 investigates and delves into one of history's most fascinating unsolved mysteries.
Danny chaperones Grace's winter formal but 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.moreless
McGarrett and Alicia are kidnapped by the serial killer who has been terrorizing the island after they discover his identity.
FBI profiler Alicia Brown is forced to join McGarrett in the hunt for the chess-piece killer when she finds a body in her bed. Meanwhile, Kono reconnects with a former surfing competitor who is now a disabled and homeless war veteran.moreless
Five-0 works with rogue MI-6 agent Harry Langford to find a terrorist planning to cause nuclear reactors across Europe to melt down. Meanwhile, McGarrett and Danny ask retired FBI profiler Alicia Brown to help them find a serial killer vigilante.moreless
Season 7 begins with the body of a serial killer being found in Five-0 headquarters with an ivory chess piece in his mouth. When a second serial killer is found dead with another chess piece, Five-0 hunts for the vigilante as fear spreads that it's not safe to travel to Hawaii. Meanwhile, McGarrett refuses to take it easy, even though he is recovering from surgery.moreless