In the 1970's the world experienced two oil shocks, as the price of oil rose from less than $2 a barrel to over $32. Early in 1986, in a three-month period, oil plummeted from $28 down to only $10. These violent fluctuations significantly altered the economies of virtually every nation on earth. When oil prices went up, they caused unprecedented inflation in the United States and changed forever the face of its industry and commerce. When oil fell back down, countries which export petroleum, such as Venezuela and Mexico, could no longer pay their debts, creating an international debt crisis. Economists cannot adequately explain how the price of oil swung up and then down as fast as it did. This novel poses a fictional explanation to that mystery, using actual characters and events as background for the fictional characters and plot.
The book begins in Vietnam in 1967. The CIA has developed intelligence that points to an arms supply base in Laos. It appears that the North Vietnamese Army troops are being supplied with weapons as they travel down the Ho Chi Minh Trail on their way to the southern cities of Hue, Danang, Nha Trang and Saigon. A U.S. Marine lieutenant, Sam Weber, is sent on a covert mission to find the base and destroy it. He and a small team parachute into the area, and soon all are killed but Sam. Wounded and imprisoned at the supply base, he is cared for by Liang, the daughter of Sing Han, a Chinese who operates the base. With her father away for a few days, Liang and Sam fall in love, and she helps him escape. They promise to meet again at her home in Hue.
But in the chaos of war, Sam is unable to locate Liang. He returns to the United States, becoming an oil company executive in Southern California. Liang immigrates to the United States, obtaining a college degree at Berkeley. She forms a successful electronics company, and then later is persuaded by her father to buy an oil services company.
Sing Han, based in Hong Kong and Singapore, builds up a new business empire in banking, real estate, and oil. He becomes partners with Manuel Carvalho, president of a fictitious Latin American country called Esperanca, and contracts to export that country's oil to international buyers. Esperanca, once destitute, becomes a major oil power as prices increase to over $30 a barrel.
Sing Han has also cultivated an American politician named Clay Josephson, aware that he is the son of the U.S. government agent who unwittingly let Sing Han's family die in Shanghai. Through bribery and blackmail, and ignorant of Sing Han's connection to his father, Clay becomes his puppet.
After seventeen years, in 1984, Sam and Liang meet by chance and fall in love all over again. All goes well until a murder pulls them into Sing Han's elaborate plot to bring the United States to its knees. He plans to use Esperanca and Clay Josephson to drive the price of oil below $10, causing the formation of a Latin American debtors' cartel. This will give the countries the strength to renege on over three hundred billion dollars of debt, causing widespread banking failures and economic chaos in the United States.
As the climax approaches, Sam and Liang travel to Esperanca to try to prevent Sing Han's plot from succeeding. The final chapters increase in drama as the two work behind the scenes to block the formation of the cartel and then escape from Esperanca as the country bursts into civil war.