When a novel virus devastates the world in 1976, Dr. Earnshaw notices that it resembles a virus that a Dr. Henderson found a cure for in 1871 Chicago. However, the doctor perished and his notes were destroyed in the Great Chicago Fire. Earnshaw is approached by a government agent, Jeffrey Adams, who informs him of a Top Secret time traveling technology and asks for his assistance in finding Dr. Henderson and his cure. But their adventure becomes a race against time when a glitch sends them back to the day before the fire instead of the planned four days.
The U.S. submarine Anthony Wayne is underway for a top-secret mission. Onboard is a highly classified device that will give the Americans a decided nuclear advantage. The entire mission and the secret technology are threatened when the sub commander discovers his crew has been infiltrated by enemy agents. The commander is charged with trying to protect the device while ferreting out the enemy agents. Compounding matters is the state of the commander's physical and mental condition, which is being questioned by his crew.
In this exciting jungle adventure the esteemed archaeologist, Dr Singleton, and his daughter, Mary, travel to mystical Africa in search of an ancient artifact: the fabled Blue Stone of Heaven. Imbued with the unfathomable power to bestow its holder with immense strength, the statuette attracts corrupt Colonel Tatakombi, who, blind with greed, intends to spark an uprising, and turn the natives against Tarzan. Can mighty Tarzan avert the jungle rebellion?
