In a world where Silhouettes respond to human intent, these machines designed for aid have begun to pose unforeseen risks when darker impulses take hold. Episode one introduces scientists Rika and Sandy as they step beyond their laboratory to investigate a string of troubling incidents tied to their creations. Determined to identify those responsible for the perversion, the pair follows leads that pull them deeper into an underground network. Yet their pursuit soon places them in the path of the very forces they seek to expose.