A young woman and her four-year-old daughter drive across desolated hills. Everything looks fine and they seem to enjoy the ride, until an accident sends them into the nightmare of darkness.

A group of American soldiers travel into Mexico for an unknown mission and they encounter a surprising world which changes their views.

A trailer is burning in the middle of a plain. The bodies of two adulterous lovers are found. Scenes from both families, before and after the dramatic events, suggest an unusual connection between them. But what is their secret?