Slugger and Firebrand parachute into the Caribbean nation of Libertad, single-handedly tracking and stopping a coup by General Muerte.; Daniel learns of many criminal plots from new convicts while in prison and he uses that information in order to take down an existing gang, and to clear the name of another unjustly convicted fellow inmate.; Chic is on board a luxury liner heading for South America, and he runs afoul of a murder plot in which he becomes the prime suspect. Carter solves the crime as the Sword and defended the honor of Tamara de Vielle, daughter of the ruler of Brazilia. But, despite his success, Chic is forced to flee from the authorities.; Plastic Man joins the Police.; The Phantom Lady foils a plot by the large Eastern nation of Kioland to gain control over its smaller neighbor Herma by tricking it into declaring war on the United States.; Roy gathers up what notes he can from his father's lab and brings them to Major Adams at the War Department. Once again, however, Roy is attacked for his father's secret formula, and he chases the thieves to their underwater lair, where these members of a German suicide squadron conspire to use the formula to destroy eastern seaports.