Dr. Sam Griffith deals with the fallout following her actions at the hospital fundraising gala, and Griff returns to the OR for the first time since his shooting to perform a bypass surgery. Also, Malcolm's estranged mother, hospital board chairwoman Tina Kingsley.

When a devastating storm leads to an overflow of patients and limited resources, Dr. Sam Griffith and her team are forced to make impossible choices about their patients' care. Also, Dr. Rob Griffith connects with a young patient admitted with a rare heart condition.