To the world, he is an “honest postman.”
Behind the scenes, he is a “cunning detective” and a master of deception.

No letter escapes his watchful eyes.
The secrets of everyone lie solely in his hands.

Louis Lettre—a two-faced postman destined to uncover the dark secrets of the city.
While investigating a case involving the underground organization of Beatsburg, he discovers a mysterious journal that reveals the secrets of everyone who dares to touch it!