The initial scene shows a police checkpoint with flashing lights and stopped traffic.

The video shows a police officer conducting a sobriety checkpoint at night. The camera is inside a car, showing traffic stopped. The officer is seen interacting with drivers and using a portable breathalyzer. The breathalyzer is shown displaying results, with green checkmarks for passing and red crosses for failing. The video also shows close-ups of the breathalyzer device and its readings, as well as the device being used to test a person's breath. The final shots show the device being turned off and placed back in its box.