With a pitcher for water

Psychologist Martin Stein is once again called in on another case. At first, it seems someone is taking revenge on homeless people, but another murder shows that nobody can be sure of their safety on the path by the river. While Captain Patricie Charvátová's team tries to catch the killer, he doesn't rest, and the body count rises. The hunt has begun, and the team faces its most important task – to be faster than the hunter and protect the next victims.