A gaggle of interns make snide comments about Cristina outside her hospital room. This prompts her to grab a vase full of flowers and heave it toward the window. SMASH! The interns scatter. Cristina still isn't talking, but it's obvious she's been listening. Owen vowed that he would be there to help her after she was pulled from the woods. Cristina tells him that she stayed awake for four days enduring horror. This prompts her to flee to Minnesota, but not before parting acrimoniously with Meredith.
Amputation seems to be the only option regarding Arizona's leg. She refuses to accept this. Back in Seattle, Alex tries to apologize for all that's happened to her. It doesn't go well. Arizona only got on that plane because she was totally ticked at him. She spent a lot of time wondering why such a horrible thing happened to her and not to someone like him. Later, Arizona makes Callie promise that she won't let anyone cut off her leg.
Mark kept dying during the rescue, but they kept bringing him back. He survives to tell Julia that he loves Lexie. He "loved" Lexie. A short time later, Mark's health improves dramatically. Richard thinks it may be "the surge." That's when terminally ill patients have a final burst of energy followed by epiphanies. Sadly, he's right about this. Mark knows it, too. That's why he tells Richard that he wants all care to be withdrawn if signs of recovery are not seen after 30 days.