In The Fire, Casey, a seasoned crime photographer, is drawn into a chilling mystery when a fire breaks out in a rundown apartment building. Firefighters discover a dead body amidst the flames, and it's clear that the man has been murdered before the fire was set. The victim, identified as Henry Milton, was a quiet office worker with a hidden life. As Casey investigates, he learns that the fire was ignited using flammable photographic negatives, suggesting a deliberate attempt to destroy evidence.