: After rescuing a young girl from a serious car accident, Chief Wallace Boden and Lt. Kelly Severide are surprised to receive a mysterious package, which leads to unexpected complications.
: Cruz reconnects with a high school sweetheart who is now married, creating an uncomfortable situation for Sylvie Brett as she struggles to keep his secret. [S6E20] The Strongest Among Us
is the 20th episode of the sixth season of the drama series Chicago Fire . It originally aired on April 26, 2018, on NBC . Plot Summary : After rescuing a young girl from a