A mysterious taxi appears in front of Cho Do Chul, a sexual predator, who is released from prison today. Do Ki picks Cho Do Chul up with his taxi and disappears. Maria, a girl from an orphanage attempts to commit suicide from Han River Bridge, and Do Ki comes and saves her. He listens to her tragic story and decides to help. Part 2: Maria requests Rainbow Deluxe Taxi to help her get her revenge. Do Ki and his team prepare themselves and start investigating the factory Maria worked at. Meanwhile, Ha Na tries to find where Cho Do Chul went to and realizes that there is something weird about the deluxe taxi he was in.