A new ghostwriter is hired to take over writing the memoirs of a former British Prime Minister after his first co-writer dies in an accident. Soon after accepting the assignment, the Ghost a high-ranking British official accuses the retired politician of illegally seizing suspected terrorists and handing them over for torture by CIA, a war crime. The controversy brings reporters and protesters swarming to the Martha's Vineyard mansion where he's staying with his wife and as the Ghost continues to work, he begins uncover to clues revealing the previous writer may have pieced together an even darker secret linking the ex-PM to the CIA, and that somehow this information is hidden in the manuscript he left behind.