Lucy Hardgrove is a screenwriter who lands the job of a lifetime when she's hired to pen the script for a remake of the beloved holiday movie, His Merry Wife! When the head of the studio isn't satisfied with the ending Lucy wrote, he sends Lucy to Biltmore Estate for research and inspiration. While there she unwittingly discovers the ability to travel to the 1947 set of His Merry Wife! through the help of an hourglass. But her sudden appearance has set off a chain of events that put the production in jeopardy. Before she can return to the present, Lucy must make things right or threaten to alter the future forever.