The mountain climbers lie about the axe in their friend’s head, telling Derek that it accidentally got there. During surgery, he and George discover that it was deliberately put there,…

Meredith works on her relationship with Susan and Thatcher. Cristina has to deal with her mother and Burke’s. Alex continues to tend to Jane Doe/Ava. Meredith and Derek’s relationship has…

As Cristina tries to recover, she proves to be a very difficult patient, and a visit from her mother doesn’t improve her demeanor any. And Meredith’s mother, Dr. Ellis Grey,…