Pedro is a curious little boy living in the heart of Mexico City. One day, he finds a lost puppy, scoops him up and takes him back home. Black Tiger, he names the dog, and hopes the puppy will turn out to be as brave as a tiger. In the same apartment block, live three other boys, Jose, Arturo and Alex, who, with their dogs, like nothing better than bullying Pedro and Black Tiger. When a powerful earthquake shakes the city, many are injured and Jose is nowhere to be found. Can Pedro find it in himself to overcome his hurt feelings and help save Jose? With Black Tiger leading the search, this story highlights the most precious things in life: Love and Understanding.