Old murder doesn't rust

Pavlína Šťastná has very good reasons to be unhappy. In a single moment, she is made redundant from her job and gets a “notice of termination” from her marriage. However, thanks to her friend, she doesn't suffer for long and soon finds a new place to live and a job offer. But the job starts to take on suspicious characteristics, and suddenly, a number of strange people are circling Pavlína. What's more, there's someone who doesn't want Pavlína to get a second chance.
And then several seemingly random murders occur, the gruesome connection between them gradually beginning to surface. The investigation is taken over by Commissioner Zelenka, a man who notices details that others miss…