The team investigates when a man is found murdered inside his doomsday fallout shelter. Jane loses investigative focus when she discovers Korsak is considering retirement and Frankie is hiding a secret.
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
The doctors are exposed to flu-infected patients. Derek prepares to give a speech. A new doctor gives Alex a glimpse into an alternative medical practice.
Arizona's bad day escalates when she advises a patient on a potential double amputation. Derek breaks a promise. Stephanie and Jo find an abandoned baby. The non-fraternization rule leads to a suspension.
On the day of April's wedding, the Grey Sloan Memorial doctors are all preoccupied with their own drama. Meredith and Cristina continue to argue about their research and careers, Bailey comes clean to Ben about her feelings regarding him moving back to Seattle, and Shane puts himself in a risky situation. Meanwhile, Derek gets a phone call that will change his life.moreless
It's Halloween and the doctors of Grey Sloan Memorial are hit with a barrage of spooky patients, which affects their own plans and puts one doctor’s well-being in jeopardy. Meanwhile, Derek collaborates with Ben on a new surgical technique, and Richard angers Bailey when he asks a second year resident to perform his next surgery.moreless
Lightman tries to help a woman with early-onset Alzheimer's piece together her fragmented memories, but it uncovers a deadly secret.