For Alexei, 17, and his sister, Katia, 12, life will never be the same. Before the war, Alexei, a talented musician, was invited to perform on many stages in Europe, and was finally offered a place in the prestigious Royal Academy of Music in London. But the war splits his family, and Alexei finds himself performing at night in the underground station – the only safe place to shelter from the bombs. How will his family survive?