January 1941. Christina Deli is hospitalized in the neurological clinic after her daughter's death and the drowning of her husband in the navy. German spying, finding her amazing resemblance to Vana Mourouzis, wife of Lieutenant Colonel Alexis Mourouzis, decides to use it in a daring plan. They take her out of the clinic and pretend to be Greek officers and that the Vana spy of the Germans asks her to take her place.