Adam Stuart is terrified of dogs. His girlfriend takes it as a challenge, signing them up to foster a baby Chihuahua, not realizing they're the most frightening brand of dog. Adam knows to fear the tiny beast thanks to the traumatic childhood experience that left a private part of his body dotted with scars.
His life's hard enough as it is, but now he's forced to face his fears and lots of time alone with the deadly creature, who…
…does not devour his tasty flesh and instead becomes his best pal -- and his muse.
When she's unexpectedly adopted by someone else and taken away, he's heartbroken. Determined to turn his life around and save the tiny dog from a fate worse than death, he joins forces with an aging roadie on an epic quest to get her back.