Sandy, a Silhouette scientist, is dedicated to creating robots controlled by human thoughts, technology initially designed for human assistance. She teams up with fellow scientist Rika to investigate criminal activities where Silhouettes have been corrupted by individuals exploiting them for harm. Their investigation plunges them into the disturbing realm of sex crimes, uncovering malicious actors who have twisted Silhouettes to serve violent and lust-driven agendas. This pursuit marks Sandy and Rika as direct targets of these corrupted robots, placing them in significant danger. After the primary conflict resolves, Sandy and Rika openly acknowledge their romantic feelings, culminating in a mutual confession of love.