Scarlet Stone(1987)

Original title: Алый камень

Young spouses go on a boat on a honeymoon. A fire occurs along the way - and in front of the eyes of the young wife, a burning beam falls on Matvey. Time passes, Natasha marries Stepan, who saved her that tragic night. But one day, they accidentally learn that Matvey is alive. Stepan decides to find him and leaves Moscow ...