The film portrays the city of Concepción, Chile, as a warm, tropical, Third World small town. This caused a furor in Concepción, with people walking out of the theaters and others calling for authorities to ban the movies.
The trivia item below may give away important plot points.
The 10 plagues from the Bible are: river and water sources turn to blood (Exodus 7:14-25), amphibians (commonly believed to be frogs, Exodus 7:26-8:11), gnats (or lice, Exodus 8:12-15), wild beasts (Exodus 8:16-28), disease on livestock (Exodus 9:1-7), unhealable boils (Exodus 9:8-12), hail mixed with fire (Exodus 9:13-35), locusts (Exodus 10:1-20), darkness (Exodus 10:21-29), and death of the firstborn (Exodus 11:1-12:36). In the movie, it replaces the gnats with lice and puts it as the 6th plague, after boils. It also mixes hail, locusts, and darkness, putting locusts first, then darkness and hail of fire.