In Don't Look Back, Eve Hardaway, newly single mother of one, is on a trip she's long dreamed of--a rafting and hiking tour through the jungles and mountains of Oaxaca, in southern Mexico. Eve wanders off the trail, to a house in the distance with a menacing man in the yard beyond it, throwing machetes at a human-shaped target. Disturbed by the sight, Eve moves quickly and quietly back to her group, taking care to avoid being seen. As she creeps along,...