When his father takes him to visit the Louisiana bayou, Buster sends postcards to his friends back home telling them about the Cajun language, learning to catch crabs, and keeping watch for a swamp monster.

Norman, who everyone thinks is weird because he claims he can see and talks to ghosts, must save his town from an old curse.

"Join the Guardians of the Galaxy, the Avengers, and Ant-Man as they defend the planet against the universe's biggest threats"--

When a dark force threatens Ponyville, Twilight Sparkle, Pinkie Pie, and all their friends journey to the end of Equestria to save their home, encountering new friends and dangerous challenges along the way.