Brian enters a dog show at his own expense to earn the Griffin family money to buy a new air conditioner, but quits during the show after taking offense when Peter puts a bone biscuit on his nose. He temporarily runs away from the family but is caught and returned to the Griffin household by the police. Peter is fined and argues with Brian, who eventually decides to leave the family. Peter soon searches for Brian, who has been ridiculed by the community and has slowly become unstable. Peter finds him in the streets of Quahog attacking its citizens, but arrives too late, and Brian is arrested. Brian is given a death sentence, but Peter delivers an emotional appeal on Brian's behalf, and the charges are dropped. Brian achieves the respect of the townspeople.