In the soul of Rome... where the tolling of church bells intertwines with the whispers of ancient alleyways, and where sin conceals itself beneath the face of holiness, the Mafia casts its shadow upon every stone, while fate writes its story in ink of blood. Romano Jisung... a young man who seems as though he was born to smile, hiding behind his lighthearted spirit and reckless defiance an emptiness no one can fill, and a loneliness that devours him whenever night draws its curtain. Moretti Minho... a man who carries authority as effortlessly as others carry their names. A face as cold as carved marble, and eyes that conceal a past too heavy to be told. He teaches mathematics with the precision of someone who believes that everything in life can be reduced to an equation... except the human heart. What begins with defiant glances and endless clashes slowly transforms into a silent war between reason and desire. And in a city ruled by secrets, love never remains innocent... instead, it becomes yet another sin added to Rome's chronicle, already stained with blood.