The plot of Children of the Corn: Runaway follows a young pregnant Ruth who escapes a murderous child cult in a small Midwestern town. She spends the next decade living anonymously in an attempt to spare her son the horrors that she experienced as a child. She lands in the small Oklahoma town, but something is following her. Now, she must confront this evil or lose her child.

When heavy rains create a mysterious "new water", Littlefoot sets off to explore the Great Valley. He quickly becomes friends with Mo, a prank-playing dolphin-like creature who can't find his way back to the Big Water. Littlefoot and his pals come to the rescue and prove the value of courage, friendship, and diversity.

Ernest P. Worrell is now in the military as a soldier. Once he begins, him and his team investigates a dictator who was responsible for the wars in the nearly village. Suddenly, Ernest finds a lost boy and has to keep him safe until his father recovers.