Q:Generate a question that has the following answer: twenty four hours for the following movie plot: Chicago residents Neil Randall (Gerard Butler) and his wife, Abby Randall (Maria Bello) have the perfect life and a perfect marriage. With their beautiful young daughter, Sophie, they are living the American dream... until today. When Sophie is suddenly kidnapped, they have no choice but to comply with the abductor's demands. The kidnapper, Tom Ryan (Pierce Brosnan), a cold and calculating sociopath, takes over their lives with the brutal efficiency of someone who has nothing to lose. In the blink of an eye Neil and Abby's safe and secure existence is turned upside down. Over the next twenty-four hours they are at the mercy of a man who wants only one thing: that they do his bidding. It soon becomes clear that Ryan's demands are all the more terrifying because he doesn't want their money. What he wants is for Neil and Abby's life, the life that they have built over 10 years, to be systematically dismantled and destroyed, piece by piece. With time running out on their little girl, Neil and Abby realize their nightmare is just about to begin. They will have to submit to Ryan's challenges over the next 24 hour period. How far will they go to save the life of their child?
A:
Neil and Abby are at the mercy of the kidnapper for how long?