During the Vietnam War U.S. decoder Kate Meredith is plagued with guilt when her correspondent husband coerces her to pass information to him and the Viet Cong. During the Vietnam War U.S. decoder Kate Meredith is plagued with guilt when her correspondent husband coerces her to pass information to him and the Viet Cong. During the Vietnam War U.S. decoder Kate Meredith is plagued with guilt when her correspondent husband coerces her to pass information to him and the Viet Cong. During the Vietnam War U.S. decoder Kate Meredith is plagued with guilt when her correspondent husband coerces her to pass information to him and the Viet Cong.