Now in its 19th season, a lot has changed around Grey Sloan Memorial. Following Bailey’s resignation, Meredith assumes the role of Interim Chief of Surgery; under her tenure, she has revived the residency program, recruiting surgical residents who either were not good enough to get into other programs or kicked out of their previous ones. As the team of doctors seek comfort from one another, they discover that neither medicine nor relationships can be defined in black and white.