Rain pelted the cobblestone streets of London. Gaslights flickered, casting eerie shadows. A lone figure hurried through the alley. His coat collar was turned up against the chill. Sudden silence fell, muffling the city's hum. He stopped, sensing an unseen presence. A gloved hand emerged from the darkness. It clutched a gleaming silver dagger. The stranger lunged, striking quickly and precisely. The man crumpled, falling onto the wet stones, lifeless. His blood seeped out, staining the cobblestones red. The killer vanished into the night, leaving no trace behind.