Continuity girl Meredith Moore, whose job it is to make sure every frame of a film is consistent with the one before, wakes up on the morning of her 35th birthday yearning for a baby, and her personal sense of continuity is thrown into flux. Determined not to marry, she impulsively flees to London to reunite with her eccentric single mother and accept a new job on a well-known producer's film set, only to accidentally uncover a web of secrets that will change the way she envisions both her working life and the nature of love.