When a young woman is beaten and raped and a soldier is arrested for the crime, McGarrett begins to have doubts about his guilt.

When two of a egotistical racing driver's support staff are murdered, suspicions of sabotage fall upon his attractive girlfriend.

A amputee with no hands sets out to kill every police officer who contributed to his injury, and that includes Steve McGarrett.

A dictator must evade a female assassin sent to kill him, one that looks just like his own daughter.

A thief known for using sleight-of-hand is hired to steal a valuable nickel, but the coin ends up on a journey across many miles and through many hands.

Senator Harlan Henderson suffers from multiple personalities, and one side of him wants to kill himself. However, he ends up blowing up his secretary, and McGarrett uses handwriting and a diagnosis from a psychiatrist to try to crack the case.

When a psychotic man kills his doctor, Five-O must use a unfinished painting to gather clues to his whereabouts.

When a deranged ex-Army officer shoots a policeman and takes a young girl hostage, McGarrett disagrees with a police captain over the best way to free her.

When Five-O fail to prevent a series of thefts at dockside warehouses, an influential owner creates trouble for McGarrett.

A disturbed young man steals nerve gas to use against a visiting royal family as revenge for the death of his father.

McGarrett is the top suspect in the murder of his girlfriend, and the evidence against him is seemingly overwhelming...

A gangster attempts to buy an interest in a football club so that he can launder money through it.

A female undercover cop threatens the progress of an investigation when she starts a relationship with a man connected to the case.