"The Last Train Home" is a documentary film that follows the lives of migrant workers in China as they travel home for the Lunar New Year. The film captures the emotional and physical challenges they face during this annual journey, highlighting the struggles of families separated by work in urban areas. The documentary focuses on a specific family, showcasing their hopes and dreams while navigating the crowded and chaotic train stations. It emphasizes the importance of family reunions and the sacrifices made by these workers, providing a poignant look at the impact of rapid urbanization on traditional family structures in China.