Check out the First poster for "The Good Liar" starring Helen Mirren & Ian McKellen

Synopsis:
Career con artist Roy Courtnay (McKellen) can hardly believe his luck when he meets well-to-do widow Betty McLeish (Mirren) online. As Betty opens her home and life to him, Roy is surprised to find himself caring about her, turning what should be a cut-and-dry swindle into the most treacherous tightrope walk of his life.