A mysterious woman known only as Artemis Valkyr, equipped with cybernetic arms and an ancient mechanical heart, awakens in the wreckage of a laboratory. Her only memory is a cryptic melody that plays in her mind. As she searches for her origins, she becomes entangled in a conspiracy involving a secretive organization called The Consortium, which seeks to harness forbidden technologies for war and control. Artemis discovers her connection to an ancient machine known as the Clockwork Symphony, a legendary device rumored to have the power to rewrite reality itself. As she journeys to uncover the truth, she faces mechanical monstrosities, shadowy assassins, and enigmatic allies, including a sharp-witted inventor named Viola Ashcroft, who harbors her own secrets and a growing affection for Artemis.