Flawless (2008)

Demi Moore plays Laura Quinn, a dedicated but disgruntled female executive. She is intensely frustrated that the progress of her career is being impeded by a glass ceiling at the London Diamond Company. So she joins forces with Mr Hobbs (Michael Caine), an embittered janitor who feels betrayed after a lifetime of service at the company. Together, they plan the perfect crime an audacious heist at the firm that has mistreated them both.