You are my messenger. Look at everything. Remember.', Grandma Nai Nai tells 11-year-old Xiao Mei as the girl heads off to Shanghai to visit their extended family. Xiao Mei is both excited and apprehensive. She will meet many new relatives, but will they accept her, a girl from America who is only half Chinese? Xiao Mei is eagerly embraced by her aunties, uncles and cousins and quickly immersed in the sights, smells amd hubbub of Shanghai. At first...