Four-year-old Ethan Ng is one happy little boy. That's because he's just he just met his new best friend, a service dog named Yazzie. Fire and police departments from his New Jersey town helped the two get acquainted. Ethan has autism and ADHD, and his new golden retriever buddy will be his constant companion. Well-trained service dogs like Yazzie come with a hefty price tag, so Ethan's family is setting up a foundation to help other people in their shoes.