The episode is focused on April and Jackson's history throughout the episodes since they first met, but we see it in a backwards timeline.
From the moment April is about to sign the divorce papers, we go backwards to the momet they met, and vice versa after that.moreless
Maggie leaves her dinner party and races to the hospital, so April takes over the cooking duties in an attempt to dodge Jackson. Meanwhile, Arizona is anxious about meeting Callie's new girlfriend.
Bailey begins her first day as chief of staff and feels the pressure that accompanies the position. Meanwhile, April finds her marriage is in peril; Meredith has trouble balancing her many obligations; and Amelia tries to define what she has with Owen.moreless
Meredith adapts to new roommates. Meanwhile, Jackson gets ready for April's return; Bailey battles to be chief of surgery; and two young patients propel the doctors to reexamine bullying scenarios from their own pasts.moreless
In the 11th-season finale, the doctors are busy dealing with the aftermath of a disaster, which bonds them as it reminds them about what to prioritize in life.
Richard calls off the wedding. Amelia fights with Meredith about letting Derek die and Maggie gets some bad news.
The impact of Derek's death is felt by Meredith and her coworkers. Meanwhile, April makes a surprising decision, which leaves Jackson baffled; and Bailey and Ben disagree about their future.
Xo tries apologizing to Rogelio, but it's not an easy task. Meanwhile, Alba reveals details about her accident; Jane focuses on doing what's best for the baby after learning about its breech position; and Jane asks Michael to catch Petra in a lie.moreless
Rowan's return raises the stakes for those targeting B613. Fitz needs an important bill passed.
Upon realizing that Owen and Amelia have been seeing each other behind her back, Meredith comes down hard on her sister-in-law causing Amelia to rethink things. Meanwhile, Catherine springs into action when a man is brought into the hospital after his wife seeks revenge on his cheating ways.moreless
Maggie gets upset when Meredith dodges her questions about DC; Bailey and Ben become concerned about Ben's brother after he is admitted to the hospital, and Dr. Herman starts to warm up to Arizona. Meanwhile, Richard feels manipulated by Catherine.moreless
April and Jackson face a tough decision concerning their unborn baby. Elsewhere, Catherine encounters Richard at the hospital; Meredith searches for a babysitter so she can visit Derek; and Amelia tries a tough-love approach while working with Stephanie.moreless
With Olivia still missing, the team comes together to do whatever it takes to find her and get her home safely.
Meredith keeps herself busy while Derek prepares for his move; Jackson and April get difficult news; Arizona and Amelia talk about how best to approach Dr. Herman.
In the 10th-season finale, Cristina's coworkers give her a fond send-off. Meanwhile, a possible terrorist act occurs in Seattle and leads to pandemonium at the hospital; Meredith makes a life-altering choice; and a doctor gets alarming news.moreless
Cristina enlists Meredith to help her prepare an acceptance speech for her possible Harper Avery win and while Owen offers to attend the ceremony with her, she insists on going alone. Meanwhile, Derek feels overwhelmed between his responsibilities at home and at the hospital. April and Jackson come to a disagreement on children and religion, and Callie and Arizona try to reconnect in their marriage.moreless