A noblewoman begins to lead a dangerous double life in order to alleviate her boredom.

17th-century beauty Barbara Worth (Margaret Lockwood) starts her career of crime by stealing her best friend's bridegroom (Griffith Jones). Her next exploit is to recover gambling losses by donning mask and cloak and taking to the roads as a highwayman. The thrill of these ventures proves addictive...especially when she meets a male highwayman (James Mason) who becomes her lover. Together, the two desperados lead a gay secret life, pursued by the local magistrate Sir Ralph Skelton...Barbara's husband. To what further crimes will the wicked Lady Skelton descend?—Rod Crawford <[email protected]>

In the Seventeenth Century, in England, the naive and pure Caroline (Patricia Roc) invites her cousin and best friend Barbara Worth (Margaret Lockwood) to come from London and stay with her a couple of days before her wedding with her beloved bridegroom, the wealthy magistrate Sir Ralph Skelton (Griffith Jones). The selfish, evil and wicked Barbara uses her beauty and seduces the weak Ralph, who falls in love for her. Caroline calls off the wedding and Barbara marries Ralph. When Barbara loses a jewel inherited from her mother gambling with Lady Henrietta Kingsclere (Enid Stamp-Taylor), she pretends to be the famous highway thief Captain Jerry Jackson (James Mason), recovers her jewels and begins a career of crime, looking for excitement stealing travelers in stagecoaches. When she meets the real Jerry Jackson on the road, she becomes his passionate lover and also a killer. Meanwhile Ralph realizes that he loves Caroline, but it seems to be too late for their life together.—Claudio Carvalho, Rio de Janeiro, Brazil