It appears as if Hanks dog Ladybird may be racist after she attacks a black plumber. Hank learns that if a dog is racist the owner may be so he takes a test, which he fails. Hank knows that neither he nor Ladybird is racist so he sets out to prove it. When Ladybird almost attacks a white plumber, Hank realizes she doesnt hate black people, she hates plumbers. Hank takes Ladybird and explains it to Mack, the black plumber. Ladybird is nice to him since he isnt working on plumbing.