This documentary series enters the actual operation of the U.S. Immigration and Customs Enforcement (ICE) at an unprecedented depth, while depicting the true story of individual immigrants from a touching perspective.It deeply analyzes the complex reality behind today's American immigration system, not only showing the operation of the system, but also focusing on those who are affected by fate - their struggles, hopes and persistence.Through the interweaving of cold law enforcement images and warm character portrayals, the works arouse audience's deeper thinking and emotional resonance on immigration issues.