The battle between Sam and Griff takes a shocking turn that will irrevocably change their family dynamic and the future of the hospital.

The battle between Sam and Griff takes a shocking turn that will irrevocably change their family dynamic and the future of the hospital.

As Sam, Griff and Vivian face the fallout from Griff's bombshell confession to the hospital board, the surgical team preps for a rare high-profile surgery that could take Sam's career to the next level; Lex confronts Griff.

As Sam, Griff and Vivian face the fallout from Griff's bombshell confession to the hospital board, the surgical team preps for a rare high-profile surgery that could take Sam's career to the next level; Lex confronts Griff.

Griff completes his proctorship and prepares to make his official return to surgery; hospital board chairwoman Tina Kingsley makes a stunning announcement; the surgical team prepares for a high-stakes lung transplant.

Griff completes his proctorship and prepares to make his official return to surgery; hospital board chairwoman Tina Kingsley makes a stunning announcement; the surgical team prepares for a high-stakes lung transplant.

In the aftermath of a devastating storm, Dr. Sam Griffith and her father, Griff, come together to support her injured mother, Vivian. Also, Dr. Lex Trulie and Dr. Joey Costa each make pivotal decisions about their futures.

In the aftermath of a devastating storm, Dr. Sam Griffith and her father, Griff, come together to support her injured mother, Vivian. Also, Dr. Lex Trulie and Dr. Joey Costa each make pivotal decisions about their futures.

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; Dr. Rob Griffith connects with a young patient admitted with a rare heart condition.

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; Dr. Rob Griffith connects with a young patient admitted with a rare heart condition.

When Amy Taylor is admitted to the hospital accompanied by her sister, Gretchen, with signs of premature heart disease, Dr. Sam Griffith discovers a deeper medical mystery; Griff anxiously awaits the results of his MRI.

When Amy Taylor is admitted to the hospital accompanied by her sister, Gretchen, with signs of premature heart disease, Dr. Sam Griffith discovers a deeper medical mystery; Griff anxiously awaits the results of his MRI.

Dr. Sam Griffith deals with the fallout following her actions at the hospital fundraising gala; Griff returns to the operating room for the first time since his shooting to perform a bypass surgery; Malcolm's estranged mother arrives in town.

Dr. Sam Griffith deals with the fallout following her actions at the hospital fundraising gala; Griff returns to the operating room for the first time since his shooting to perform a bypass surgery; Malcolm's estranged mother arrives in town.

Secrets revealed at a major fundraising gala for the hospital threaten to end a tenuous truce between Dr. Sam Griffith and her father; cardiothoracic resident Dr. Lex Trulie makes a decision that could alter her career trajectory.

Secrets revealed at a major fundraising gala for the hospital threaten to end a tenuous truce between Dr. Sam Griffith and her father; cardiothoracic resident Dr. Lex Trulie makes a decision that could alter her career trajectory.