Nichelle Hines

Izzie faces her past and finds comfort in George, while Alex becomes more attached to Jane Doe (Elizabeth Reaser), Meredith and Derek question their own status, and Cristina resolves to fight for her relationship with Burke -- despite her past with Colin Marlow (Roger Rees).

A national tragedy forces Olivia to return to work at the White House. Meanwhile, we learn more about the first few days of Fitz's presidency.

When Cain's elective surgery patient returns with complications, Mina and Raptor butt heads over how to handle the situation; Conrad and Devon treat a local Congresswoman.

As Nic struggles with her recovery, a former colleague comes back to the hospital to support her; the search begins for a new CEO; Devon sees an opportunity to fix the system.