Ep 2. When To Let Go

In Chicago Med season 4 episode 2 titled "When To Let Go," the emergency room staff at Chicago's Gaffney Medical Center are challenged by a massive gas explosion at a busy hospital. The team goes into overdrive as they try to save patients and colleagues caught in the blast.

Dr. Will Halstead (Nick Gehlfuss) and Dr. Natalie Manning (Torrey DeVitto) are on the front lines of the disaster, working together to keep patients alive and get them to safety. Meanwhile, Sharon Goodwin (S. Epatha Merkerson), the hospital's chief administrator, faces the difficult task of balancing the needs of the countless victims with the resources of the overwhelmed staff.

As the aftermath of the explosion unfolds, the staff grapples with the physical and emotional toll of the tragedy, including personal loss and grief. Dr. Caroline Charles (Paula Newsome), the trauma chief, must make tough decisions in order to keep the hospital running and keep patients alive.

The episode also delves into the personal lives of the characters, as they navigate their relationships and struggles outside of work. Dr. Ethan Choi (Brian Tee) grapples with a difficult decision regarding his sister's health and how it will impact his family. Dr. Connor Rhodes (Colin Donnell) and his father, famous surgeon Dr. Cornelius Rhodes (D.W. Moffett), continue their complicated and strained relationship.

Throughout "When To Let Go," the staff of Chicago Med works together to find hope and strength amidst the chaos and tragedy of the explosion. The episode highlights the resilience and bravery of first responders and healthcare workers, as they put themselves in harm's way to help others.