Alle Kinder bis auf eines (All the Children but One) is a documentary that follows a group of children in a small Hungarian village whose carefree childhood is shattered by the death of their friend Karcsi just before his tenth birthday. Through the children's memories, fantasies, and conversations, the film becomes a tender meditation on grief, friendship, and the loss of innocence, revealing how imagination helps them cope with tragedy while preserving Karcsi's memory.