In a porn filmmaker's obscenity trial, Savannah's scene is shown. The filmmaker seduces his defense lawyer. After the latter proves the prosecutor's ex porn star witness Janna Winters liked her job, Janna seduces the prosecutor.

Peter and Ellen are on trial for obscenity. The prosecution shows pieces of their allegedly obscene movie. Witnesses relate events during the production.

The case that was presented in Parts 1 and 2 is now in the hands of the jury. As they deliberate on the merits of each scene and try to determine if its contents are obscene, the jurors' points are illustrated by fantasy sequences (involving themselves), and flashbacks from the movie.

It happened in Oxford, Mississippi. It happened in Alabama, Utah, Florida and Tennessee. While the criminals commit crime and the killers kill, your government spends your tax dollars prosecuting adult video. It happened to us. It could happen to you. Vivid presents On Trial 4: Verdict. This is the final chapter. The jury has reached a verdict in the obscenity case. And it ends just as it began. With a passion.