It's 1931 in Shanghai, and the stage is set for a new decade of intrigue.
Four years ago, Rosalind Lang was brought back from the brink of death, but the strange experiment that saved her also stopped her from sleeping and aging--and allows her to heal from any wound. In short, Rosalind cannot die. Now, desperate for redemption for her traitorous past, she uses her abilities as an assassin for her country.