Chris Miller, living with her stepmother in a large secluded mansion, finds her isolation interrupted by the arrival of an unknown scythe-wielding killer.
A Mexican fisherman, whose son has died because he could not afford necessary medical care out of his meagre wages, becomes aware of how badly exploited he and his many fellow fisherman are by the one greedy man for whom they work and the corrupt politician who makes the laws to benefit him.
Working-class dude grows up surrounded with petty delinquency and ghetto temptations; he marries a rich girl and faces the disapproval of her parents. Then the young couple plans a crime...
After spending three months doing experiments in space, scientists Antón and Daniel return to civilization. They're astounded to discover that the Earth has undergone an enormous cataclysm and the law of the gravity has even been altered in the interim.