The routine day of two small-town police officers, Pavel (22) and Michal (50), is turned upside down when, as the first patrol on the scene, they are tasked with securing the site of an extremely violent crime in a restaurant where hostages are still being held. Despite being professionals, they are afraid, they clash with one another, and they make mistakes. This police drama captures a first encounter with a mass shooting through the eyes of the very first responders.