Harry is having a very, very bad day. He returns home from an all-night drinking binge with his cousin Cecil to discover that his little dog Jolly—Harry's one true love and the source of light in his dark, solitary life—has been murdered. Brokenhearted and beyond consolation, he vows to track down the dog's murderer at any cost. Armed with a stockpile of firepower in the trunk of his car, he and Cecil embark on a frenzied, alcohol-fueled wild-goose chase, leaving a bloody path of destruction in their wake.