: Their developing romance culminates in a wedding in the season finale, though Amelia initially has doubts and runs away before the ceremony.
: Martin Henderson joined the cast as Dr. Nathan Riggs, whose arrival triggers a dark history for Owen Hunt involving his missing sister. Greys Anatomy - Season 12
: Meredith Grey adjusts to life as a widow, moving back into her mother's house with her "sisters," Maggie Pierce and Amelia Shepherd. A major mid-season arc involves Meredith being brutally attacked by a patient, leading to a long recovery and therapy. : Their developing romance culminates in a wedding
: A bitter custody battle over their daughter, Sofia, ensues when Callie plans to move to New York with Penny. : Meredith Grey adjusts to life as a
: Alex proposes multiple times, but Jo repeatedly declines because she is secretly still married to an abusive man she fled years prior. Cast Transitions
'Grey's Anatomy' Season 12 Trailer: "Everything Has Changed"