The Russian crime series "Immediate Response" is a gripping detective story about a police officer named Andrey Osokin. The hero finds himself faced with a difficult choice - between his professional duty and the well-being of the people he cares about. He works in the rapid response unit and responds to emergency calls. One day, he gets caught in a shootout where one of his colleagues is killed and another is seriously injured. Furthermore, a bag with a large sum of money disappears from the crime scene.