An up-and-coming young politician is blackmailed in order to affect his leadership of an congressional investigation.

A Japanese businessman comes under attack from a young man whose father suffered in an Japanese Prisoner of War camp.

Five-O must deal with the kidnapping of an Arab princess, and Steve must also deal with an Italian female journalist's constant interruptions.

Five-O become involved in a complex case of body-switching, mystery investments and suitcases full of money.

When an astrologer visits McGarrett to inform him of a murderer with a terrible temper, his antagonism lessens when her assumptions seem to be partly true.