A brutal mugging leaves Grey Trace paralyzed in the hospital and his beloved wife dead. A billionaire inventor soon offers Trace a cure — an artificial intelligence implant called STEM that will enhance his body. Now able to walk, Grey finds that he also has superhuman strength and agility — skills he uses to seek revenge against the thugs who destroyed his life.
With a move to the countryside already testing the limits of a couple's relationship, a supernatural encounter begins an extreme transformation of their love, their lives, and their flesh.