"Joy" is a story about chasing your dreams and finding happiness, love and success. He has a lot of comedic elements, but also touches the heart. The film is based on the biography of Joy Mangano, who in the nineties of the last century was the star of teleshopping - invented the mop, making it a millionaire and businesswoman.

David O Russell saw in this story material for a film. She took him a story about a determined, strong woman who is not afraid to risk and fought for her, all the while keeping in mind the welfare and happiness of loved ones. First of all impressed by the universal story about the human quest for happiness and overcoming adversity.