A young German girl jumps off a Wroclaw church tower. She is a member of a Women's Gregorian Choir.
Grodno, the eastern border of pre-war Poland. On September 1, 1939, German planes bomb the city. One of the bombs hits the school of Leoś, Ewelina and Tadek. Literally and symbolically, the world of a carefree childhood, fun and first crushes ends.
An exceptionally gifted teenage boy is about to start studying physics at university. He is working on the theory of parallel worlds, which are linked, he initially believes, by light. He has an extraordinary mind and a wounded soul, which his mother, who steers his life, is incapable of healing.
