A plotline is the sequence of connected events that form a story. Think of it as the path a story travels from beginning to end. In Charlotte's Web, one major plotline follows Wilbur the pig as he faces being killed, gets saved by Charlotte's web messages, and eventually survives. Another plotline tracks the friendship between Wilbur and Charlotte herself.

Stories can have just one plotline or several running at the same time. In many adventure novels, the main plotline might follow the hero's quest, while a secondary plotline develops a friendship or romance. These different threads weave together, sometimes crossing paths, sometimes running parallel, like multiple train tracks heading toward the same destination.

The word helps us talk about stories more precisely. Instead of saying “the story about the pig,” you might say “the plotline about Wilbur's survival” to distinguish it from “the plotline about Fern growing up.” Writers carefully construct plotlines to keep readers interested, making sure each sequence of events builds tension and leads somewhere meaningful. When a movie or book feels confusing, it often means the plotlines got tangled or didn't connect properly.