While reporting on a Tijuana animal shelter, journalist Bettina Blazak falls in love with one of her story's subjects—an adorable Mexican street dog who is being treated for a mysterious gunshot wound. Bettina impulsively adopts the dog, whom she names Felix. In investigating Felix's past, Bettina discovers that he's actually a former DEA drug-sniffing dog. With Bettina's story going viral, some interesting people are looking for Felix, and Bettina soon finds herself drawn into a deadly criminal underworld from which she and her dog may not return.