Jazz is, first of all, improvisation, and in this sense, life is like jazz: every morning, when you open your eyes, you don’t know where today will lead you, what people you will have to meet, what things to do, what problems to solve. On the day this story began, none of its participants imagined what was about to happen and how dramatically everything would change. Masha, a budding jazz singer, became a shipowner that day - she bought an old ship, which she dreamed of turning into a music club. To her surprise, there was a secret hatch in the ship. Opening it, Maria had no idea what kind of story she was in... However, it will be a fascinating story! The laws of the genre have not been canceled: when a young attractive woman is in danger, a knight always appears to save her...