Douglas Hughes

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 (Victoria Rowell), arrives in town.

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.

When Dr. Sam Griffith (Sophia Bush) refuses to concede her role as chief, her father Griff (Jason Isaacs) orchestrates a costly surprise. Also, Sam's mother, hospital administrator Vivian (Wendy Crewson), turns to her new spouse, therapist Asher Pyne (Sendhil Ramamurthy), for help navigating the battle between her daughter and ex-husband.