Plot summary
Olivia and Fitz celebrate his last night in the White House by having sex, despite that Fitz is not pleased that Olivia released Maya. As Mellie is being sworn in, the Gladiators find out that there is a traitor standing on the dais and Olivia realizes that it must be Luna Vargas. Fitz leaves Olivia, and D.C., to go run his foundation in Vermont. To avoid a scandal that would wreck the new presidency, Olivia forces Luna to take some pills that will simulate a heart attack rather than having her arrested.
Olivia moves government funding to B613 and becomes Command while remaining Mellie's chief of staff. Olivia sits with Cyrus, they discuss Luna's involvement, Cyrus uses the same phrases Luna did to justify Frankie's death, leading Olivia to realize that Cyrus was the one who put the idea of killing Frankie in Luna's head. She also tells him that she is nominating him for vice president.
Credits
Adapted from Wikipedia contributors, Scandal season 6. HTML formatting and reference markers removed.