Tens of thousands of dogs live and die on the streets of Kolkata, India, one of the most densely populated cities in the world. This film tells their story, and the story of a few people who have made it their life's work to feed and care for them. 印度的加尔各答是世界上人口密度最高的城市之一，成千上万的狗在这座城市中生活和死去。这部电影讲述的是他们的故事，和一些把喂养和照顾他们作为毕生工作的人的故事。