The children of convicted criminals in China are stigmatised and as a result, often become homeless. Some, however, do find a place they can temporarily call home. Grandma Zhang, as the children call her, is a former prison guard who founded an orphanage in Nanzhao, where the children learn to live without their parents and are able to prepare for the outside world. This powerful film tells the story of life inside the care system through the eyes of the children themselves.