A sequel to The Green Hornet, The Green Hornet Strikes Again is a 15-chapter serial that was based upon characters from the popular radio and pulp series. The Green Hornet (Warren Hull) is actually Britt Reid, fearless newspaper publisher, who dons the Hornet's guise to battle criminals that have managed to escape the long arm of the law -- aided, of course, by his invaluable sidekick, Kato (Keye Luke). As Strikes Again opens, Reid and Kato are enjoying a well-earned vacation in Hawaii. Their respite is short-lived, however, as they discover that master criminal Crogan (Pierre Watkin) has ratcheted up his operations and is starting a whole new series of rackets that require the Hornet's attention. After a rough crossing, they begin closing down Crogan's rackets -- including selling bombs to foreign agents -- one by one. Along the way, the duo encounter a number of close calls involving a plane crash, an explosion in a laboratory, a roof cave-in, electrocution, and driving a car into a warehouse loaded with explosives. In the end, of course, the Hornet brings down Crogan and all is once again well. For Strikes Again, Warren Hull, who had already played super-heroes The Spider and Mandrake the Magician, replaced Gordon Jones, the Hornet from the original serial.