In the shadow of the "floating city" of New Babylon, mechanical prosthetics and human organs are exchanged at equal prices on the black market.
Luo Ying's left hand can pick any lock - literally. The most famous mechanical thief in Gear Alley is using three living metal fingers to hook into the Energy Administration's aerial transport module. Her goal is simple: steal a few cans of baby formula, and give some of those upperclassmen's nostrils some relief.
Until she took away the talking metal heart.
"According to Article 37 of the Air Security Management Law, you are suspected of stealing important military supplies. "Qi Lin's uniform glowed coldly under the neon lights, and the youngest inspector of the Energy Bureau was pointing a gun between her eyebrows. But what he didn't expect was that the female thief's mechanical arm suddenly went wild, revealing top-secret data on the collapse twenty years ago.
Now, one of them is a traitor wanted by the whole city, and the other is a living USB flash drive with a reward on the black market. In this sinful city that uses the human body to generate electricity, the rusty gears begin to bite the truth...
