After an assembly at the high school for all the seniors, Leni realizes that she doesn’t know what she wants to do when she graduates and begins to worry, so she starts thinking about possible options for what she could do in her post-high school life, and that night, she dreams about what her future would look life if she chooses some of the ideas she brainstormed.

When the pups learn that an old wigwag railroad crossing near Adventure Bay is to be removed and replaced with modern crossing signals, they become upset to hear the news and decide to protest its removal so that they and everyone else can continue to enjoy seeing the vintage railroad crossing in all its amazement.

The war against Emperor Belos rages on, and as the Day of Unity approaches, the rebellion sets out to put a stop to the Emperor and his ambitions, but the entire war shakes up when Luz finally learns the truth about Belos' plans for her, as well as another long-hidden secret.

The war against Emperor Belos is underway, and the rebellion led by Luz is doing everything they can to stay in the fight, but things are starting to look grim. However, Luz maintains hope thanks to her belief in God, and when a threat looms over the rebellion, she decides that maybe it's time for her friends to learn what it means to be Christian like her.