Guero Davila is a pilot engaged in drug-smuggling for the local cartels. Teresa Mendoza is his girlfriend, a typical narco's morra, quiet, doting, submissive. But then Guero's caught playing both sides and in Sinaloa that means death. Teresa finds herself alone, terrified, friendless and running to save her life, carrying nothing but a gym bag containing a pistol and a notebook that she has been forbidden to read....
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