With his gangster boss on trial for murder, even a mob thug referred to as"the Teacher" informs Annie Laird she must talk with her fellow jurors into a not-guilty verdict, implying he'll kill her son Oliver when she neglects. She manages to do so, but, she sends Oliver abroad and attempts to gather evidence of the plot against her, then setting up a last show down, when it will become clear that the mobsters may wish to silence her once and for all.