Foreign agents critically wound a U.S. official after he returns from the People's Republic of China.
Contaminated heroin destroys a fading singer's comeback. The Five-O try to find out a connection between a dying man, a Chinese refugee and a murdered uncle.
A a self-exiled Greek doctor and a news correspondent who arrives to interview him are targets of assassins.
A woman McGarrett almost married becomes a prime suspect in the murder of her husband, and he becomes emotionally involved.
The theft of a Soviet musician's priceless violin threatens to escalate into an international incident; guest Ed Flanders.
An attempt to rescue a kidnapped boy goes awry when Kono becomes the abductors' new hostage; guests Andrew Duggan, Peter Bonerz.
Jack Lord
Det. Steve McGarrett
James MacArthur
Danny Williams
Kam Fong
Chin Ho
Al Harrington
Actor
Herman Wedemeyer