The clock tower in Neo-London chimed midnight, its gears groaning as they turned. In a dimly lit workshop filled with whirring contraptions and half-finished gadgets, Amelia Gearwright, a young woman with fiery red hair and intricate clockwork prosthetics replacing her arms, tinkered with a device resembling a miniature steam train. Its engine glowed with a soft blue light, casting an otherworldly sheen on her face.

"Almost there," she muttered, her brow furrowed in concentration. "Just a few more adjustments..."

Amelia, known to all as the Gearwright, was a genius inventor and engineer, her mind brimming with impossible creations. Her workshop was a testament to her ingenuity, filled with contraptions that defied the laws of physics and pushed the boundaries of clockwork technology.

Suddenly, the workshop door burst open, and a flustered Inspector Cogsworth, a man of old-fashioned charm and unwavering loyalty, rushed in. His usually pristine mustache was askew, and his monocle hung precariously from its ribbon.

"Gearwright!" he exclaimed, his voice laced with urgency. "The city has gone dark! All the sunstones, stolen in one fell swoop!"

Amelia's eyes widened in shock. The sunstones, housed in elaborate clockwork contraptions atop the city's towers, were the lifeblood of Neo-London, their radiant glow illuminating the streets and powering its intricate mechanisms. Without them, the city would be plunged into eternal darkness.

"Who would do such a thing?" she gasped, her gears whirring with a mixture of anger and curiosity.

"There's only one suspect," Cogsworth said grimly. "Zygmunt Zeitgeist, the Clockwork Thief. He's been rumored to be collecting artifacts of immense temporal power, and the sunstones..."

He trailed off, his expression grave. Amelia knew the legend of Zeitgeist, a flamboyant villain obsessed with manipulating time itself. His motives were unclear, but his actions were always spectacular and destructive.

"We need to find him, Inspector," Amelia declared, her determination hardening. "And we need to get those sunstones back before the city descends into chaos."

Cogsworth nodded, his monocle glinting in the dim light. "Indeed, Gearwright. But Zeitgeist is not one to be underestimated. We must be prepared for anything."