Malvaloca, dancer and singer, go to Las Canteras when she finds out that Salvador, her exboyfriend has been hurt. Salvador's college, Leonardo, goes with her and falls in love. They start a relation.

Following meetings between Spain and the United States a delegation of a mining company arrives to Granada in search of uranium. The company contacted with the landowners, who agree to sell less of them. Such owner refuses because his ground a treasure supposedly hidden Muslim and refuses to sell them to Margaret, representative of the company. When he refused, Margaret convinces the owner to locate the treasure on your own and sell it in case you find it ... but love gets in his plans.

Dr. Steven Sorenson plans to tap the geothermal energy of the Earth's interior by means of a thermonuclear device detonated deep within the Earth. This experiment causes a crack to form and grow within the Earth's crust, which threatens to split the earth in two if it is not stopped in time.