"The Slay-riders": it's day 12 of Judge Dredd's journey in the cursed Earth. After crossing the Mississippi Judge Dredd discovers that the ferry master hold Alien as slave labour animals. One of this Alien who seems to be a sentient being, Tweak, escapes its cage and is being pursued by the Slay-riders. He then tries to catch Judge Dredd's convoy to find protection (7 pages).
In this strip we first meet Tweak that will become an important character of the Cursed Earth saga.