ASPCA Special Investigator Annemarie Lucas is paying a visit to Brooklyn, to an area that has been experiencing problems with rats. A report has come in that an emaciated pitbull terrier has been attacked by the rats and is covered in bites. Meanwhile Special Investigator Paul Romano and his partner Special Agent Joe Pentangelo are in Queens, following up on reports of a man shooting squirrels with a BB gun, causing his neighbors to fear for their own safety and the welfare of the animals.