Meredith and the team are focused on helping Owen\'s sister after her shocking return, and Amelia faces a conflict over a patient. Meanwhile, Bailey is forced to give Grey Sloan a facelift after the fire and the doctors are introduced to a few new faces that spice things up around the hospital.Meredith struggles to come up with a new plan for Owen\'s sister. Jo makes a surprising choice regarding Alex, and Andrew\'s sister\'s controversial research leads to a shocking discovery.