In the 19th century, a breakthrough in technology allows humans to revive corpses for manual labor devoid of emotions or thoughts. However, these reanimated beings lack a soul. Dr. Victor Frankenstein, who disappeared after this discovery, is rumored to have brought a soul back to life. Driven by a promise to his deceased partner, John Watson, a London medical student, embarks on a quest to find Frankenstein's elusive notes, believed to unlock the secrets of the soul. Recruited by a government agency, Watson delves into the dark truths of corpse reanimation, realizing the sacrifices required for scientific progress.