1943 year. Young Elsa gets in Освенцим. It seems that death is inevitable and with every selection she can get there, where nobody already returns from. But something helps to survive her. Orchestra under leadership of Alma to Rosa, where Elsa was taken to play the violin.Fifty years after her son Jacques, conceiving a design to know anymore about the past of the early dead mother, begins own investigation. This book is a result of endless letters, trips and conversations with the participants of orchestra, that shared the histories, complete pain, fear, - and сестринства. This history real, and that is why yet more intimidating and piercing.