The ground over an old mine filled with toxic waste collapses during a brush fire, entrapping Joe, Haley and Danny.

A leaking rural pipeline forces the evacuation of nearby buildings, including a barn where a young girl refuses to abandon a mare about to foal.

Ted's career is on the line and his emotions are shattered after watching in horror as his best friend and fellow firefighter becomes engulfed in flames while battling a chemical plant blaze.