Lin Mu, a graduate student in geology, traveled through the world of Pokémon and formed a partnership with Shakiras, who was fused with Regirock's fragments, to fight against the Silver Company's conspiracy to plunder the energy of the ley lines. They went deep into the mines of Black Gold City, faced the out-of-control ancient weapons and pollution crisis, and protected the legendary Pokémon and the lifeline of the planet in the countdown to collapse.
