Park So-nyo goes missing in a Seoul train station on the way to visit her four adult children, and So-nyo's children and husband express guilt over the things they could have done to take better care of her.
Nine-year-old Chang-Min, a South Korean boy who moved to the U.S. when he was seven, describes his daily life, including school, church, Cub Scouts, and family activities, as well as what he misses about his home country.
