In the ashes of the foggy city full of steam and rust, the girl Irene is just an ordinary mechanical apprentice. When the Enforcement Committee's law enforcers broke into the workshop and came for the core of the "Golden Age" mechanical spirit, her ancestral clockwork pendant suddenly awakened, giving her the special ability to sense mechanical energy. In order to protect her mentor and the mysterious core, Irene began to fight against the powerful, and the moment the pendant merged with the core completely changed her destiny.
