Sophia Somers and the reclusive billionaire Mason Shore mistakenly marry each other without ever seeing each other's faces clearly—Sophia due to an allergic reaction and Mason due to severe nearsightedness. When Sophia becomes Mason's assistant, neither recognizes their legal spouse. During a business trip that ends in a car accident, they are stranded in the wilderness, forced to rely on each other for survival. Through this ordeal, Mason falls for the underdog assistant he never 'saw.' As the blur clears, they must face the truth of their flash marriage and the love that arrived in the dark.