A young man is gunned down by operatives of a shadowy criminal organization during an outing with his girlfriend, who is subsequently kidnapped by the same group. Trapped between worlds as a restless spirit, he is contacted by his girlfriend's father—a researcher devoted to paranormal phenomena—who offers him a chance at redemption: possess the bodies of the living and infiltrate the syndicate's operations to rescue his captured lover. With the promise of eternal peace contingent on her safe return, the protagonist must navigate a hostile underworld, commandeering the forms of those around him to dismantle the conspiracy holding his girlfriend captive.