Children of undocumented migrant workers referred to as illegal immigrants are called undocumented immigrant children. They do not exist on paper as their births were never registered. Vigra captured the story of 7 undocumented immigrant children across Asia over 4 years with the help of a Chinese production company. They run vigorously and laugh happily like any other kid, but the vitality hits the wall of reality in the next scene. Knowing that their suffering will continue as long as they remain unregistered, the audience have a foreboding that something frustrating will happen while seeing them laughing. "My parents are illegal people and afraid of getting kicked out if they register (me)..." They are denied their very existence for having been born as children of people whose very existence has become illegal. The film is significant in the sense that it looks at the lives of children that have been erased until now while closely observing their days.​