<P> This season is the first not to feature Jerrika Hinton as Dr. Stephanie Edwards since her introduction in the ninth season, following her departure at the conclusion of the previous season . The season also marked the last appearance for Martin Henderson as a series regular . </P> <P> The season follows the story of surgical residents, fellows, and attendings as they experience the difficulties of the competitive careers they have chosen . It is set in the surgical wing of the fictional Grey Sloan Memorial Hospital, located in Seattle, Washington . </P> <P> The season picks up right where it left off after the fire in the previous season finale . Grey - Sloan takes on a new, improved appearance after it is repaired of the damages from the fire . Meredith Grey (Ellen Pompeo) finds herself in another love triangle with Nathan Riggs (Martin Henderson) and his long - lost fiancée, Megan Hunt (Abigail Spencer), though she encourages Riggs to resume his relationship with Megan over her . Meredith performs a ground - breaking surgery on Megan, landing her a Harper Avery Award . Jackson Avery (Jesse Williams) and Maggie Pierce (Kelly McCreary) fiddle with the idea of a relationship after Jackson and April Kepner (Sarah Drew) decide to live apart . </P> <P> Teddy Altman (Kim Raver) returns to Seattle to assist with Megan's reappearance and notices the tension in Owen and Amelia's relationship . With the help of DeLuca's sister, visiting doctor Carina DeLuca (Stefania Spampinato), Amelia Shepherd (Caterina Scorsone) discovers she has a brain tumor that has been impairing her judgment for the last 10 years . After it is removed by her former professor Tom Koracick (Greg Germann), Amelia and Owen Hunt (Kevin McKidd) decide to end their marriage . Meanwhile, after Alex Karev (Justin Chambers) reveals to Jo Wilson (Camilla Luddington) that he tracked down her husband, Alex and Jo reconcile their relationship, with Jo declaring that she will divorce Paul (Matthew Morrison). </P>

Who comes back in season 14 of grey's anatomy