"Debutante Detective Corps" is set in a fictional European-inspired city during the early 20th century, where a group of young women from elite families forms a detective team to solve mysteries. The story centers on four main characters: Alice, the analytical and resourceful leader; Sophia, a skilled fencer with a sharp intuition; Charlotte, a quiet but observant artist; and Victoria, a cheerful and socially adept heiress. Each member brings unique skills and perspectives to the group, allowing them to tackle cases that range from thefts and disappearances to uncovering political conspiracies.

The narrative begins with the disappearance of a prominent socialite, which prompts the girls to investigate. As they delve deeper, they uncover a web of secrets tied to the city’s aristocracy, including corruption, hidden identities, and long-buried scandals. Their investigations often intersect with the activities of a mysterious organization known as the Black Veil, which operates in the shadows and seems to have ties to many of the city’s elite. The girls must navigate societal expectations, personal challenges, and the dangers of their detective work while maintaining their reputations as proper young ladies.

Throughout the series, the characters grow individually and as a team, learning to trust one another and leverage their strengths. The plot balances episodic mysteries with an overarching storyline that gradually reveals the true nature of the Black Veil and its connection to the girls’ families. Themes of friendship, societal constraints, and the pursuit of justice are woven into the narrative, creating a blend of intrigue, drama, and lighthearted moments. The series concludes with a climactic confrontation that resolves the central mystery while leaving room for future adventures.