As a result of his injury, Rei is left with only three days to live, and symptoms of disfigurement are starting to show. Mamiya ventures into Medicine City by herself to search for a medicine to ease Rei's pain. However, Galf, the ruthless, dog-loving Canine Master, rules the city. Mamiya finds the medicine store, but is captured by Galf. However, Kenshiro and Rei arrive to rescue her.