Following a whirlwind courtship, acclaimed playwright Myra Hudson (Joan Crawford) marries Lester Blaine (Jack Palance), a slick actor she has just fired from her latest play. Shortly after the honeymoon, Myra overhears Lester and his lover, Irene (Gloria Grahame), plotting to murder the wealthy writer for her inheritance. Shattered by the revelation, Myra pulls herself together and hatches a revenge scheme. But can she go through with her violent plans?