The Clock [Brian O'Brien]; Heizer (villain, introduction)
While pursing thieves who had stolen a secret military gas formula, the Clock leaps from his airplane and lands on another below. The crooks use the gas on him, but he is unaffected, and he theorizes that his mask must have been wet and prevented the gas from penetrating.
Hugh Hazzard; Bozo the Robot; Herr Getzer (villain); Darmanian spy ring (villains)
Hazzard adds yet another weapon to his arsenal embodied within Bozo: the Super-Sepericonoscope, which can receive audio and video from far distances......a weapon responsibile for helping Hugh deal with the Darmanian spy ring.
Yarko the Great; Li Wan; Wang; Lailani and other vampiresses (villains, introduction)
Yarko and Li Wan go to Tibet in search of the Hoshai Plant (a flower with human blood). They are captured by Lailani and her group of vampiresses and Yarko has to pit his power of hypnotism against hers.
The Flame [Gary Preston]; un-named girl agent; The Kikoos (villains, some die); Monk (villain)
The Flame has to deal with the wanton killing and robberies staged by a group of weird, spectral creatures called the Kikoo, which came from an island where the government leaders hid them out because of their inferior minds. Unfortunately, led by an evil influence, they are capable of extreme violence, as the Flame discovers.