At a Berlin ad agency, an outgoing American and her no-nonsense European colleague engage in an escalating personal and professional rivalry that quickly becomes a deadly power struggle.

It follows a brilliant young fund manager named Millie, who quits her job and ends things with her long-term boyfriend to fulfill her dream of becoming an opera singer in the Scottish Highlands. She begins intense vocal training lessons with a renowned but fearsome singing teacher and former opera diva Meghan Geoffrey-Bishop. It is there she meets Max, another of Meghan's students who is also training for the upcoming "Singer of Renown" contest. The...