La marque des quatre

In a shadowed study, a singular detective prepares a syringe, injecting himself with a sharp stimulant before settling into a velvet armchair. The narrator, his steadfast companion, observes the ritual with a blend of admiration and growing concern, noting the countless scars that mark the habit.

Unable to stay silent, the narrator challenges the habit, sparking a fierce debate about the price of brilliance fueled by chemicals. The detective argues that only such artificial fires can keep his mind razor‑sharp, while the moral tension hints at a case that will test both.

A perplexing mystery soon arrives, one that the ordinary police cannot solve, demanding the detective’s unparalleled analysis. Listeners are drawn into the cerebral chase, watching intellect clash with addiction, and wondering whether the stimulant’s edge will become the investigators’ downfall or their salvation.