When Susan Conley, her husband, and their two young sons leave their house in Maine for a two-year stint in a high-rise apartment in Beijing, they are prepared to weather the inevitable onslaught of culture shock. But the challenges of living and mothering in an utterly foreign country become even more complicated when Susan learns she has cancer. After undergoing treatment in Boston, she returns to Beijing, again as a foreigner--but this time, it's...