Ann Todd becomes better as she plays herself into the character of a rather devious and unscrupulous girl in this adaptation of a famous Glasgow murder (or, perhaps that should be murrrrdurrrr) tale from 1857. "Madeleine" is the daughter in a well-to-do family whose father (a seriously authoritarian Leslie Banks) can't quite figure out why she won't marry a suitable young man - unawares that she has been having a fling with an equally unscrupulous Frenchman who has his sights set on her family's wealth. His attempts at blackmail terminally backfire and before long she is on trial for his…