Red waits for a job at Pricemart as a supervisor while Eric now has a job as a cashier. Kelso tries to turn over a new leaf and tries to break up with Laurie, But Laurie threatens to tell Jackie of their affair if he dumps her.
Harm is trapped below deck on a sinking ship with a sailer, who has been accused of murder, and a guard. Some rescue equipment collapses, blocking the only escape route. As water begins to fill the room, the three men are certain that the situation is hopeless.
In the film, which is a part of the NOVA series Secrets of Lost Empires, a team of timber framers and other specialists design, build, and fire a pair of trebuchets, a devastating engine of war popular in the Middle Ages.
The film documents the efforts of researchers around the world to create synthetic diamonds, some of which have become so indistinguishable from natural diamonds as to fool experts.
