Cesar aids Leslie and her son, Si. Their rescued Great Dane, Junior, has became aggressive. Without Cesar's help, the dog could be euthanized. Then he helps sisters, Taylor and Morgan. Taylor's Maltese, Chloe, growls and bites Morgan any chance she gets.

Cesar helps Joe, whose daughter Sydney has an aggressive pit bull that attacks other dogs. Joe is not only worried that Nani will fatally harm another dog, but that Sydney will try to stop an attack and get caught in the crossfire.