After Tim and Pikachu's initial meeting, the two begin to chase two Aipom, one with ketchup on its hand and the other white paint, who were causing trouble by harassing citizens and stealing jewelry. The two chase them to a fountain, where they find the ketchup-handed Aipom lying on the ground with a black feather lying next to it. After trying to compare the black feather with the feathers of several Pokémon and talking to other people and Pokémon, they find that the feather belongs to a Murkrow, and confront the Murkrow. After talking to several other Burmy and Wormadam, Pikachu guesses that Aipom and Murkrow were both trying to hit a Burmy that had stolen the necklace the ketchup-handed Aipom had stolen when Murkrow accidentally hit the Aipom and flew off. The duo then retrieve the necklace from the Burmy and return it to the girl, solving the Aipom case.
After solving the Aipom case, Pikachu takes Tim to his house. After exploring the house, the pair explore a cavern and discover two people being chased by a red-eyed Glalie. After discovering that Detective Pikachu can't use any moves, the pair distract the Glalie by throwing rocks, only to almost be hit by a powerful Dark Pulse that makes the cavern unstable. After being chased by the Glalie, a rock falls on top of the Glalie and knocks it unconscious, with Tim taking advantage of this to roll the unconscious Glalie down into the depths of the cavern. They then talk to the people and discover they are reporters. After finding the reporters' missing backpack, they watch the footage inside to see a normal blue-eyed Glalie having fun with some Drifloon when it suddenly hit the ground and its eyes turned red, before it starts firing off random Ice Beams, which do not seem to have been specifically aimed at the reporters. After exploring more of the cave, the pair discover a stunned Glalie and a frozen Drifloon. The pair manages to free the Drifloon from the ice and talk to Glalie. They then find a Drifblim hiding in the cave. The pair accompany Glalie to an underground river, which Glalie freezes with Ice Beam. After exploring the cave some more, the pair manage to solve the Glalie case and leave the cave by hanging onto Drifblim.
After finishing the Glalie case, the pair encounter a normal Pikachu, who wants them to follow him. ESRB Rated E for Everyone for Comic Relief and Mild Cartoon Violence
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