For Izuku "Deku" Midoriya, training at UA Academy means working toward his dream of becoming a hero like All Might. Summer brings him and his classmates to a forest camp led by UA's professional heroes, where they continue developing the abilities they will need as aspiring heroes.
The camp's demanding program pits students against each other in combat and puts them through dangerous tests designed to push their limits. But training gives way to a struggle for survival when the League of Villains invades. Intent on capturing one of the students, the attackers throw the camp into chaos, forcing Deku to fight alongside his classmates.