Low-ranking saint Lutia works tirelessly day and night, doing everything she can to serve her country. However, due to the schemes of the villainess Seraphina, who looks down on her as incompetent, Lutia is assigned to the dangerous Eighth Special District, where demons live. Though terrified as she heads there, Lutia unexpectedly discovers that the district’s boss, Van, is actually the ideal superior. As the two work together to improve conditions in the Eighth Special District, Lutia begins to recognize her true worth and regains her confidence…!