Vladislav Lavrov is the owner of a powerful construction empire. He is lucky in everything – the business is booming, his beautiful wife is making a breakneck career on stage, and his beloved daughter is on television. But one day, his old friend Sasha Frolov appears in Lavrov's house. He is poor, terminally ill, and everyone calls him Sasha the Saxophone for his virtuoso playing of the instrument. This man completely destroys Lavrov's stable and orderly life in one day. "Solo on the Saxophone" will reveal to us the secrets of this family and this friendship one by one, as well as the main secret that binds former friends, now a criminal and a construction magnate.