Stella Kidd returns to Firehouse 51. The team must work together to put out a potassium fire in a tunnel. After that incident, Ritter begins to worry about a young cop who witnessed the fiery death of a truck driver.
Stars: Taylor Kinney, Kara Killmer, David Eigenberg
Director(s): Matt Earl Beesley
Writer(s): Michael Brandt, Derek Haas, Andrea Newman