In 1942, French-Canadian spy Max met, got to know and got married with French agent Marian during his mission in Casablanca.However, not long after, Max received a secret report, suspecting that Marian's true identity was actually a Nazi spy.Amid shock and doubt, he had to start secretly investigating his beloved wife, trying to uncover the true face of the foggy layer.Love and loyalty are shaking against the backdrop of war, and the boundaries between trust and betrayal are gradually blurring...