Mimi and Palmon locate Izzy and Tentomon in an ancient ruin. Mimi gets upset when Izzy wants to stay longer. Frustrated, she runs into the labyrinth with Tentomon. Inside they encounter Centarumon, possessed by another Black Gear. Izzy helps Mimi escape, and together Kabuterimon and Togemon stop Centarumon. After their battle, Leomon appears. Using their Digivices, Izzy and Mimi stop him in his tracks.