American corporations are using the North American Free Trade Agreement by opening large maquiladoras right across the United States–Mexico border. The maquiladoras hire mostly Mexican women to work long hours for little money in order to produce mass quantity products. Lauren Adrian, an impassioned American news reporter for the Chicago Sentinel wants to be assigned to the Iraq front-lines to cover the war. Instead, her editor George Morgan assigns her to investigate a series of slayings involving young maquiladora factory women in a Mexican bordertown.
Oscar is a small fish whose big aspirations often get him into trouble. Meanwhile, Lenny is a great white shark with a surprising secret that no sea creature would guess: He's a vegetarian. When a lie turns Oscar into an improbable hero and Lenny becomes an outcast, the two form an unlikely friendship.
The true story of the investigation of the "Zodiac Killer", a serial killer who terrified the San Francisco Bay Area, taunting police with his ciphers and letters. The case becomes an obsession for three men as their lives and careers are built and destroyed by the endless trail of clues.