Dogs' Happy Reunion In a park during the day, there's a dog named Max, a golden retriever, playing with a tennis ball. His owner, Emily, watches and smiles. Max runs to another dog, Sam, a border collie, who's with his owner, Jack. They happily greet each other, wagging their tails. Emily and Jack are surprised that the dogs know each other. They chat and realize the dogs used to be neighbors. Emily and Jack watch as Max and Sam play together joyfully, feeling happy about the unexpected reunion.