In the Masurian scenery, the story of two inseparable friends - policemen who, after ostentatiously leaving the service, opens a pub and a marina by the charming lake in Morag. However, their respite from challenges does not last long - they are quickly drawn into the middle of a criminal mystery involving an attractive businesswoman. In addition, things get complicated when a young girl comes to work in their pub - the daughter of one of them, whose existence he had no idea.