confessione (1941)

in a funfair, at night, during a violent quarrel between a man and a woman, a knife thrower intervenes; but suddenly a pistol shot explodes and the man is killed. the young man who wanted to share the two is accused of murder and, although knowing himself innocent, he flees. the real culprit, which will be discovered during an investigation, is the woman who shot her former lover during the brawl.