: Under Moo-jin's direction, Ji-woo discards her identity to become Oh Hye-jin , an undercover agent infiltrating the police narcotics unit to find her father's killer—who Moo-jin suggests is a cop.

: The trailer showcases a double life—fighting alongside her police partner, Jeon Pil-do (Ahn Bo-hyun), while secretly serving the drug ring. Visual and Technical Highlights

: The trailer is packed with stylized, blood-slicked fight scenes, ranging from brutal gym sparring to intense alleyway brawls.