Japanese auteur Hirokazu Kore-eda's most accessible film to date is also his most wrenching, a beautiful but ultimately tragic drama about four young children left to fend for themselves after their flaky, irresponsible mother disappears. On the morning they move into their new Tokyo apartment, young Keiko Fukushima (You) introduces herself and her 12-year-old son, Akira (Yuya Yagira), to their new landlords. She tells them her husband is working abroad and that Akira is entering the sixth grade, all of which is a lie. Not only is Keiko not married, but she has three other children she plans to keep hidden in the apartment. Tiny Yuki (Momoko Shimizu) and Akira's youn...