Cô ấy nghĩ tôi là người dọn dẹp

An hour before the $120-million deal of her life, a glittering gallery owner humiliates a plainly dressed woman she mistakes for the cleaning lady. But the quiet widow in the worn coat remembers every insult — and the man who holds the owner's entire future is about to walk through the door. She is not who they think, and the reckoning is twenty minutes away.