The qualification exams for the elite emergency rescue unit are coming up and rookie firefighter Daigo Asahina wants to take it to test his own mettle. Unfortunately, on the eve of the exam Daigo goes out on an all-night rescue and instead of waiting for next year, he decides to tough it out and take the test. With no sleep and on the verge of collapsing from fatigue, how in the world is Daigo going to pass a grueling test of mental alertness and physical endurance?