Hurricane Addison blew back into Grey Sloan Memorial on the January 29 episode of "Grey's Anatomy," forcing Amelia to cut her sabbatical short — and boy did Dr. Montgomery have some news to share with her former sister-in-law. The original plan was for Amelia to (reluctantly) consult on one of Addison's patients, a pregnant woman named Emma experiencing unusual headaches. When scans revealed a tumor in Emma's brain, Addison insisted that Amelia assist her with the surgery, meeting her resistance with a dramatic reveal: "Jake's leaving me. "Dr. Montgomery needs a minute," Amelia said, effectively ejecting Addison from the ER. It's possible that she might not even be the woman he married anymore.