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
Against Alex's advice, Callie and Maggie perform a risky surgery on a teen and everyone deals with Meredith’s trauma.
A patient attacks Meredith and Penny finds her wounded, so Meredith's coworkers race to save her and wait by her side as she fights to survive.
Injured firefighters arrive at the hospital after battling a wildfire. Meanwhile, Maggie has trouble maintaining just a professional relationship with Andrew at work; and Jo wants to know what Alex's priorities are.
A high-stakes case is tackled by a team of doctors, and the atmosphere grows tense. Meanwhile, Bailey pressures Ben to evict their roommate; and Arizona enthusiastically reenters the dating scene with a new wingman.moreless
A transfer resident arrives at the hospital. Meanwhile, Richard wants his relationship with Maggie to evolve; gossip follows a patient who mistakenly sent his sex tape to his congregation; and April presents a case involving a boy from the Middle East.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.
Owen teaches an important lesson to the interns regarding breaking bad news to patients' loved ones. Meanwhile, Arizona's elderly patient tells her not to give up on finding love; and a dinner party gets off to a bad start when the hosts forget about it.moreless
Maggie reflects on her life when her old beau gets married. Meanwhile, Bailey's allegiance is questioned by Richard; Jo tells Stephanie a secret she's been hiding from Alex; and Alex faces a tough decision regarding newborn twins.moreless
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
Caligarious and her minions give Rock a lethal overdose and release him to die. However, he survives and comes back stronger than ever, figuring out who killed Fresno and Stymagian. But can he find the killer before it's too late?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.
Derek sees a ghastly accident and jumps into action to help the wounded.
A small plane crash occurs, triggering bad memories for Meredith and Arizona as injured victims are brought to the hospital. Meanwhile, tension between Owen and Amelia creates an awkward work environment for Stephanie.moreless
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
A group of children visit the hospital on a field trip and observe two injured cops rushed into the emergency room. Meanwhile, Stephanie develops a crush on one of the chaperones; and Amelia's forced confront her feelings about Owen.moreless
Rattled by recent events, Meredith tries to decide what to do about Derek; Owen is stunned when his mother is admitted to the hospital.
A man with Alzheimer's crashes into a pregnant woman; Meredith worries about Derek cheating on her and the date of their marriage.