Unexpected and often perilous adventures continue for Mugen, Fuu and Jin. Sara needs someone to travel with her on her journey, so she makes Fuu choose between Jin and Mugen. Fuu picks Jin, but none of them are aware of the danger that awaits them. Later, Mugen, Jin and Fuu unexpectedly land themselves in the middle of an excavation site, where thousands of miners work around the clock in search of Heike's buried treasure. Then, when Mugen's baseball skills are discovered and all three are forced into training, recruited to join Kagemaru's team and compete in a high-stakes baseball game.
