A group of high school students, led by a rich boy Derek, is sick of school violence and decides to become underground vigilantes named "Brotherhood of Justice". It starts with the idea "watching people", but things quickly get out of control. "Brotherhood of Justice" turns out another gang of violence. Derek wants to stop it but it is too late, so he takes responsibility for it and gives himself to the law.
A group of young gunmen, led by Billy the Kid, become deputies to avenge the murder of the rancher who became their benefactor. But when Billy takes their authority too far, they become the hunted.
Three of the original five "young guns" — Billy the Kid (Emilio Estevez), Jose Chavez y Chavez (Lou Diamond Phillips), and Doc Scurlock (Kiefer Sutherland) — return in Young Guns, Part 2, which is the story of Billy the Kid and his race to safety in Old Mexico while being trailed by a group of government agents led by Pat Garrett.
Two rebellious youths, Ralph and Scott, find themselves struggling with adulthood as the Vietnam War rages. Feeling trapped in their small town, Scott battles with his conservative veteran father, Cliff, and Ralph deals with his desperately sexual mother, Ev. When tragic news arrives from overseas, the entire town, inspired by Ralph and Scott's antiwar efforts, reevaluates its attitude toward the war.
When cocky military lawyer Lt. Daniel Kaffee and his co-counsel, Lt. Cmdr. JoAnne Galloway, are assigned to a murder case, they uncover a hazing ritual that could implicate high-ranking officials such as shady Col. Nathan Jessep.