Nobody Knows, or Dare mo shiranai, is a 2004 Japanese film centered around a controversial case of child neglect best known as the "Affair of the four abandoned children of Sugamo". The story was adapted to film and directed by critically-acclaimed filmmaker Hirokazu Koreeda (Still Walking, Distance). Keiko, a strapped-for-cash young mother of four moves herself and her four children - Akira (Yuya Yagira), Kyoko (Ayu Kitaura), Shigeru (Hiei Kimura), and Yuki (Momoko Shimizu) - into a new apartment in Sugamo, Tokyo. Times are tough, but Keiko's children are so well behaved, the family is able to endure economic hardships. But one day Keiko resigns her role as mother and abandons her children in their apartment. The eldest sibling, twelve-year old boy Akira, is left to pick up the pieces and manage the household all on his own. At first things run smoothly, but after his income depletes, he and his siblings must resort to other means.