<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> After the explosion at Grey Sloan Memorial Hospital, Chief Miranda Bailey (Chandra Wilson) finds it the perfect time to give the place a much needed upgrade in look and functionality . During the construction, Owen Hunt (Kevin McKidd) struggles with the shocking reunion with his sister, Megan (Abigail Spencer), who was recently found in a hostage camp overseas . The discovery also welcomes back Teddy Altman (Kim Raver), the former chief cardiothoracic surgery and Owen's best friend, which leads to awkward moments with Amelia Shepherd (Caterina Scorsone). Of course, Nathan Riggs (Martin Henderson), who was once in love with Megan, is torn between his love for her and his most recent interest in Meredith Grey (Ellen Pompeo). Arizona Robbins (Jessica Capshaw) learns what "ghosting" is after Eliza Minnick (Marika Dominczyk) vanishes without a trace, but she quickly finds company in an Italian girl she met at the bar, Carina DeLuca (Stefania Spampinato), sister to Andrew DeLuca (Giacomo Gianniotti). Jo Wilson (Camilla Luddington) struggles to patch her relationship with Alex Karev (Justin Chambers), but when her attempts fail, she finds herself sleeping with one of the new interns . </P> <P> When Carina finds that Amelia has a brain tumor, she brings her former mentor / professor Dr Tom Koracek (Greg Germann) to create a treatment plan . But when he points out how the tumor has affected her judgment, she fears that it might have ruined her patient's lives or put them in more danger--specifically Dr Nicole Herman (Geena Davis), who despite saving her life, was left blind . After the tumor is removed, Amelia and Owen reflect on their marriage and decide that everything up to that point has been misguided; the tumor made Amelia someone she was not, and they ultimately decide to get a divorce . With all the changes happening at Grey Sloan, Harper Avery (Chelcie Ross) shows up to discuss everything with Bailey and then ends up firing her . Shortly after, he immediately dies from cardiac arrest . Before they have to find another chief, Catherine (Debbie Allen) and Jackson Avery (Jesse Williams) reinstate Bailey to her position . At a family dinner hosted by Catherine and Richard Weber (James Pickens Jr .), Maggie Pierce (Kelly McCreary) and Jackson learn that he'll be receiving his grandfather's inheritance, a quarter billion dollars, which he'll eventually use to fund a medical research contest . </P> <P> Now that Megan is healthy again, Meredith and Nathan work together to bring her son over to the United States . Upon arrival, Nathan, Megan, and Farouk all move to California to start a life together, which officially ends Nathan's relationship with Meredith . Despite the breakup, Meredith has more exciting news on the horizon when she learns at the intern mixer that a ground breaking surgery has earned her a nomination for the highly - esteemed Harper Avery Foundation Award, which she goes on to win . While the joyous news spreads around the hospital, Bailey learns that Ben Warren (Jason George) wants to leave surgery to join the Seattle Fire Department . With Jo and Alex now living together again, she realizes how much control her estranged husband, Dr Paul Stadler (Matthew Morrison), has over her . Now in the running for chief resident, Jo decides to file for divorce . With her mind on her secret relationship with Paul, she's surprised to find him in the hospital . Jo attempts to steer clear of him, but at the same time also believes she has a duty to inform Paul's fiancé of what type of man he really is . As Paul keeps trying to find Jo, Meredith pretends to call security to have him removed, but he leaves before they can get there . However, he winds up back in the ER as a victim of a hit and run accident . With everyone running around the ER, April Kepner (Sarah Drew) sees a familiar face in Matthew (Justin Bruening), the paramedic she left at the altar for Jackson . He's there with his wife who is now pregnant . After Jo talks to Jenny (Bethany Joy Lenz), Paul's fiancé, they venture to Paul's room to tell him they're taking him to court . Upon receiving the news, he tries to attack them in a bout of rage; however, he falls out of bed and hits his head knocking him unconscious, rendering him brain dead . Still legally his wife, Jo decides to have them remove all life - sustaining support . April struggles with the idea that the man she left to pursue her own happiness is now married and expecting a child, while she's alone and a single mother . As she begins to question her faith, she acts out and sleeps with an intern . </P>

Why was there no grey's anatomy episode this week