Next Door Spy

In this 2017 Danish animated detective film, 10-year-old Agathe-Christine "AC" (Simone Edemann Møgelbjerg) sets up her own makeshift detective bureau in the basement of her home and becomes obsessed with solving a mystery involving a local boy named Vincent (Oliver Bøtcher). As she dedicates herself to surveillance, AC's investigations lead her into a complex affair that surpasses her initial expectations. The film follows AC's adventures as she navigates friendship, family, and detective work, all while learning valuable lessons about responsibility and growing up.