A lonely 12-year-old boy brings home a lost dog he's found. He asks his mother if he can keep it, but she resists, so the boy decides to keep the dog behind her back. Meanwhile, the real owner of the dog relentlessly searches for his beloved pet and never gives up hope of finding his dog. Will he be reunited with his 'best friend,' or will the dog stay with his new owner? It's Man vs. Child over "Dog".