big events in season 7 of grey's anatomy
Grey's Anatomy (season 7) The season follows the aftermath of season six shooting, in which Derek Shepherd (Patrick Dempsey), Alex Karev (Justin Chambers) and Owen Hunt (Kevin McKidd) are shot, and a total of 11 people died. Cristina Yang (Sandra Oh) was the most affected by the shooting, quitting her job. Cristina and Owen later marry with "her person", the show's protagonist Meredith Grey (Ellen Pompeo), as her maid of honor. Meredith and Derek start an Alzheimer trial, with Meredith suspecting that Richard Webber's (James Pickens, Jr.) wife Adele (Loretta Devine) may have Alzheimer's. Arizona Robbins (Jessica Capshaw) leaves for Africa after getting a grant leaving Callie Torres (Sara Ramirez) despondent. She sleeps with Mark Sloan (Eric Dane) and becomes pregnant by chance. Arizona returns, confessing her love for Callie. Meredith messes up the trial for the sake of Adele only to have Alex find out and tell Hunt, leading to Meredith kicking him out of her house. Derek leaves Meredith with Zola. Lexie Grey (Chyler Leigh) decides to give Mark a second chance but later starts a relationship with Jackson Avery (Jesse Williams). Teddy Altman (Kim Raver) starts a relationship with Andrew Perkins (James Tupper), a trauma counselor, but later falls for her patient, Henry Burton.
Wishin' and Hopin' (Grey's Anatomy) "Wishin' and Hopin'" opens to a voice-over narration from Dr. Meredith Grey (Ellen Pompeo) about extraordinary events. The Denny Duquette Memorial Clinic has been opened, after a US$8 million funding from Dr. Izzie Stevens (Katherine Heigl). Four of the hospital's attending surgeons, Dr. Derek Shepherd (Patrick Dempsey), Dr. Preston Burke (Isaiah Washington), Dr. Addison Montgomery (Kate Walsh), and Dr. Mark Sloan (Eric Dane) are all seen competing for the position of chief of surgery, after the current chief Dr. Richard Webber (James Pickens, Jr.) announces his plans for retirement. Meredith arrives to the Alzheimer's support home that her ill mother Dr. Ellis Grey (Kate Burton) is living at, and to her surprise, her mother has become lucid, but faints. Ellis is taken to Seattle Grace Hospital, her former source of employment. Residents Dr. Cristina Yang (Sandra Oh), Dr. Miranda Bailey (Chandra Wilson), and Dr. Alex Karev (Justin Chambers) are awaiting the arrival of patients at the clinic, and Dr. George O'Malley (T.R. Knight) walks in to announce his unexpected marriage with Dr. Callie Torres (Sara Ramirez).