Welcome to San Martino Clinic. Here, healing comes at a price. When the young nurse accepts the shift at the clinic that everyone whispers about, she thinks she has found a job like any other. But the overly cold lights, the seemingly endless corridors, and the so-called "special" therapies soon turn her task into an investigation. Patients who change, secrets that accumulate like dust, and a presence that watches behind closed doors: nothing is what it seems. A thriller that combines psychological tension, hospital atmospheres, and twists designed to keep you glued to the page. Page after page, the clinic sucks you in: the air grows heavier, suspicions multiply, and the only certainty is that, once you start, you won't be able to put the book down. Perfect for those who love fast-paced psychological thrillers, stories set in the medical world, and endings that leave the reader speechless. If you're looking for a novel that mixes thrills and everyday unease, this clinic awaits you.