After having an incredibly colorful and pleasant dream, Antonina wakes up to the realization that her whole life was fake. She loses interest in her children and her husband, a renowned psychiatrist, who is still trying to save her. One of her patients, Arkady, a talented composer, tells her the Biblical story of Lot, whose wife "turned into a pillar of salt." Apparently, some patients of this mental institution are very bright and honest, but they are locked behind bars, alluding to the situation in Russia today...