Chin chose to try save his wife Malia, but finds her fatally shot, while Adam managed to dive to Kono before she drowned. Steve is startled to find in Japan Shelbourne is none other then his mother Doris McGarrett, shocked to hear she's a former Pentagon spy who staged her death 'for the family's safety', yet brings her home. She must be moved to a HPD safe-house as Danno must report Wo Fat has already been broken from jail transport by helicopter lift. It's soon assigned to Chin's nemesis Delano, who the team now tracks down, but he's also pursuing a major, bloody contraband operation. Written by KGF Vissers

Puzzled why violent thieves steal only lithographs worth $30,000 from a top gallery, Steve and Danno consult August March, to cover the fencing trail. Meanwhile they find the owner is being blackmailed with kidnapped relatives, but also hides a colorful family past. March is finally linked to the murder in his previous case, yet plans a radical way to avoid returning to jail. Steve is notified about his mothers devious departure. Written by KGF Vissers

During a fishing trip, McGarrett and Danny wind up stranded in the ocean on a leaking dinghy after a killer steals their boat at gunpoint.

While Five-0 investigates the beheading of a polo player, McGarrett's mom returns to pay him a surprise visit.

A gruesome murder on Halloween night appears to be related to a Satanic ritual, and Five-0 must find the killer before he claims a second victim.

While Five-0 discovers a terrorist cell on the island, Danny has a flashback to one of the most eventful days of his life while working as a Newark police officer in 2001.

Mary arrives in Hawaii and finds out that her Mom is still alive, while Five-O team tries to find out why a high-school boy gets kidnapped.

While investigating a murder, Steve believes a female psychiatrist is the murderer because his gut tells him so. They don't have enough evidence but he continues to hound her. She gets a restraining order on him. Catherine is confronted by the U.S. Marshall whom she used to find out where Doris is. He thought she's working for someone who wants to kill Doris. When she convinces him she's not, they agree to work together to find the man but he tells her not to tell Steve. Written by rcs0411@yahoo.com

McGarrett discovers that a botched bank robbery actually wasn't about the money, while Danny protects a Victoria's Secret supermodel who has been threatened by a stalker.

McGarrett and a young girl are held hostage by a diamond thief during a campout, and Kono's boyfriend, Adam, welcomes his brother back from prison and gives him an offer to become a legitimate businessman.

The team helps find a boy's father, and discovers that his disappearance is related to moonshiners and a reclusive bank robber.

A college professor is murdered, but who is the killer: his boss, his teaching assistant, or one of his students? Meanwhile, Kono is assigned to protect an annoying witness released from federal prison.

Chin Ho is drugged, kidnapped, and placed in a maximum security prison as retaliation for Frank Delano's death, but will he be able to make it out alive?

The governor asks Five-0 to handle a delicate investigation involving a dead prostitute, but is he really trying to cover up the case for an important political ally?

A police officer is shot while moonlighting as a funeral escort and the only clue is a shell casing that has his name engraved on it. A few days later another officer, who happened to be the former partner of the first officer, is shot and killed during a shootout. At first it is thought that the officer was killed by the criminal, but when they figure out that the officer was shot from a higher elevation and a shell casing with that officer's name found where the shot was fired, McGarrett begins to suspect that both officers were targeted by the same man. Also, a few days later someone takes a shot at Steve he figures out that the killer is Curt Stoner, who blamed the two officers as well as Steve's dad and Duke for the loss of his hands in an attempted bank robbery. Unfortunately, Duke is shot and seriously wounded by Stoner, and because Steve's father is dead is now targeting the younger McGarrett. Written by Brian Washington Sargebri@att.net

Five-0 connects the murder of a local businessman to a fight club, and McGarrett asks an old friend to do surveillance work on his mother.

McGarrett and Danny's plans to go to the NFL Pro Bowl are interrupted when a computer executive is murdered during a team-building exercise at a corporate retreat.

Five-0 discovers that a murdered kindergarten teacher had a secret life as a roller derby star, and some very important information is stolen from Doris McGarrett's safe and could put her in danger.

After an explosion on a shark tour boat, one of the boat's owners is found dead in a submerged shark cage. Meanwhile, McGarrett helps Kamekona get his helicopter pilot license.

Steve and Catherine go to Korea to exchange some North Koreans for the remains of an American Steve knows. Shortly after receiving it Steve sees that the body is not of the one he knows. So he goes into Korea accompanied by Catherine to find him. And he recalls their relationship from their days as SEAL trainees till how he ended up in Korea. Written by rcs0411@yahoo.com

A talk show host and crew follow Five-0 around as they try to solve a grisly murder with ties to both Wo Fat and the Russian mob.

Five-0 discovers the body of a missing 17 year old girl who was kidnapped 10 years earlier, and soon learn that the captors may already have a new victim. Meanwhile, Kono suspects that her boyfriend may bee keeping secrets from her.

McGarrett helps Doris on a dangerous mission to retrieve stolen microfilm, and Kono is shot while investigating a lead about Yakuza secret burial site that may be connected to her boyfriend.

While Five-0 searches for an escaped federal prisoner connected to a terrorist plot, Kono tries to clear her name after her gun is used in a murder.

Steve McGarrett comes to Hawaii to avenge his father's death but when the governor offers his own task force, he accepts. He picks up team members on the way, Danny Williams, the head detective on his father's case, Chin Ho Kelly, a former HPD Detective who was fired for accused corruption and McGarrett's father's old patrol partner, Kono Kalakaua, a Cadet at the Police Academy who's 1 week from graduating,Lori Weston entry to Five-O temporarily,how Catharine Rollins a girl friend of Steve and Captain Lou Grover, a former Chicago PD Head of SWAT.