Episode 1 : A'ohe kahi e pe'e ai
The island of O'ahu goes on lockdown when Five-0 hunts a terrorist who starts using weaponized drones on civilians. Meanwhile, McGarrett and Danno must go for a mandated review with a psychologist, resulting in a session which looks a lot like couples therapy.
Episode 2 : Ka Makuakane
Five-0 investigates when the young daughter of a Navy Seal currently on a top-secret mission is kidnapped. Meanwhile, with his brother's life on the line, Danny must locate the $18.5 million he owes his captors.
Episode 3 : Kanalu Hope Loa
Five-0 investigates when three female thieves unknowingly steal something during a tour bus robbery that makes them a serious target. Meanwhile, Danny searches for his brother's hidden millions in order to exchange it for his life.
Episode 4 : Ka No'eau
When a Detroit hit man is taken out by one of his colleagues on the streets of Oahu, Five-0 is shocked to learn the killer's surprising motives. Meanwhile, Chin puts his career on the line to help Danny get the money he needs to save his brother's life.
Episode 6 : Ho'oma'ike
It's Halloween and Five-0 must track down a serial killer who is copying murders depicted in a cult slasher film. Meanwhile, McGarrett must help Jerry after he is kidnapped by the counterfeiters he has been tracking.