An unexpected promotion at a cutthroat hedge fund pushes a young couple's relationship to the brink, threatening to unravel not only their recent engagement but their lives.

When Ellen and Paul’s son Josh introduces his new girlfriend at their 25th anniversary party, no one suspects that it is the beginning of the end for this happy family. The new girlfriend is Liz, Ellen’s former student, who left the university, some years before, after Ellen called her out in class for her radical ideology.