Wieczór kawalerski – The main characters of the film are Maks, the witness and the groom. The men decide to organize an epic party to say goodbye to the "freedom" of one of them. They are accompanied by three attractive women who collect a large sum of money for their participation in implementing the idea. It seems that all the details are perfect. Nothing could be further from the truth. Quite unexpectedly, the perfect plan goes awry, and an uninvited guest takes over the development of events. This triggers an avalanche of comical and bloody accidents and plot twists.