When the Tasmanian Devil escapes from the local zoo and shows up on Bugs and Daffy's doorstep, Daffy is terrified. Bugs, however, thinks he's just a lost dog and adopts him.

Lola sweeps Bugs to Paris in an effort to fall in love and Daffy discovers that Granny was once a spy in World War II! The coyote tries to catch the Road Runner via speed skating.

After learning about the invention that got Bugs rich, Daffy produces an improvement on it that ends up defective, sending him and Bugs into a financial crisis.

Daffy has found some bowling friends: Marvin, Pete, and Porky. Bugs threatens to end that, which means problems when they enter a bowling tournament, which Bugs joins after Porky is hospitalized.

When Bugs and Daffy's favorite pizza joint closes, Bugs reopens it ... and gets in way over his head.

Daffy takes on the persona of his television hero, Steve St. James, while Bugs takes on his caffeine addiction, by switching to energy drinks.