Recounts the adventures of a rambunctious dog who thinks her name is Down Girl and her next door neighbor, Sit, as they try to keep the world safe from dangerous squirrels, the paper boy, and a frightening creature named Here Kitty Kitty.

As told from the perspective of the dog, Down Girl, she explains about her days protecting her home from the enemy next door, Here Kitty Kitty, and the many ways she tries to properly train her master, Rruff.