A crane collapses at a construction site and kills the son-in-law of wealthy real estate developer, Frank Linden. Nagel and Antonio, with the help of and CFD Chief Boden discover…

Antonio heads undercover with a dangerous robbery crew after a narcotics officer goes missing.

Sam treats an abused, pregnant teen. Dr. Carter introduces African girlfriend Makemba to wintertime. ER chaos shocks a risk-assessment expert. Dr. Pratt and Abby restrain a man who has tuberculosis.