Megumin becomes infatuated with the dramatic reputation of the Silver-Haired Thief Brigade and decides to form an outlaw crew of her own in support of the masked thieves she admires. Her recruits are hardly an efficient criminal organization, but that does not stop Megumin from chasing the thrill of righteous banditry. What begins as imitation turns into a real problem when the group stumbles into trouble that cannot be solved by posing like legendary thieves.