The episode begins and Arizona is out for a run. Arizona gets to the hospital and her leg shatters to pieces and she falls over. Then she wakes up from her nightmare. At the hospital, Hunt calls a quick staff gathering to explain that because the hospital is facing a financial crisis, there will be a "physician advisor" who will be helping make decisions that will cut some costs. Meredith is checking her pregnant patient, who is experiencing pain, but it isn't labor and the baby appears to be fine. Shane has test results for the patient, but he ordered the wrong tests. He leaves to order the right test. ..Read the full recap
Episode Title: The name of the episode, Walking on a Dream, is also the name of a song by Empire of the Sun.