Mommy (1999)

After Polina, a mother of six, loses her husband, who went to jail for stealing charcoal and was killed when he tried to escape, she stays behind without any . To be able to survive, Polina and her family start a folk group. But soon she understands that her children deserve a better fate, and she takes the desperate decision to steal a plane and go abroad... Fifteen years later, Polina is released from prison and finds out that fate has scattered her children all over the country: one is in the army, another is a miner in the Donbass, and the oldest, Lyonchik, who used to be in a mental institution, now pretends to be insane. Polina gathers all of her sons to free their older brother from the psychiatric hospital...