Captain Lynch gives instruction to the fire recruits in the thousand degree heat of the burn building. The audio is breaking up because the Captain's microphone is melting.
Lt. Johnson explains the importance of partners. The "two in - two out" rule.
After their first experience with the real heat and smoke of a fire, Captain Lynch gives the recruits a breakdown of the event.
Recruits run the stairs in a five story tower. This was a daily event at the academy.