In which a restless mob, like a tempestuous sea, assembles and disperses with uncertain purpose, while a ragged company of rioters plot their next move with boisterous camaraderie and a peculiar pride in their appointed sentry, young Barnaby. As evening falls, they roam the streets with destructive intent, dismantling chapels and homes with impunity, gathering spoils to burn in wild celebration, under the watchful yet disapproving eye of their uneasy leader.