Movies like Guarding Tess

Doug is a Secret Service Agent who has just completed his stint in charge protecting Tess Carlisle, widow of a former U.S. President, and close personal friend of the President. He finds that she has requested that he not be rotated but instead return to be her permanent detail. Doug is crushed. He wants off her detail. She is very difficult to guard and makes her detail crazy with her whims and demands. Doug returns with no idea of how to continue dealing with her.