Mirko is happily married man in his forties, employed in a record company. His quiet life is interrupted when a pretty young woman moves into an apartment on the upper floor. With the help of his friend Stipe, Mirko tries to seduce the aspiring singer - but their plans don't work out as expected.

During questioning by the police, a railway worker falls to his death from the multi-story police HQ. The government says it was an accident but there is a public outcry. The Superintendant and Inspector responsible are awaiting the arrival of an Investigating Judge but get more than they bargained for when a lunatic escapes and impersonates him.