Paul Kersey is again a vigilante trying to find five punks who murdered his housekeeper and daughter in Los Angeles.

When petty criminal Luke Jackson is sentenced to two years in a Florida prison farm, he doesn’t play by the rules of either the sadistic warden or the yard’s resident heavy, Dragline, who ends up admiring the new guy’s unbreakable will. Luke’s bravado, even in the face of repeated stints in the prison’s dreaded solitary confinement cell, “the box,” make him a rebel hero to his fellow convicts and a thorn in the side of the prison officers.

The Charismatic black nationalist leader Rev Deke O’Malley is trying to sell the people of Harlem a dream. Invest $100 in his company and live in Africa. But cops Gravedigger and Coffin know all about Deke and his fraudulent schemes that take advantage of the poor and the ignorant and can’t wait for a chance to expose him.

A team of maritime salvage workers are about to embark on a recovery dive. However the 1883 Krakatoa Volcano eruption provides more pressing problems.