The tale starts when ace detective Harry Goodman goes strangely missing, prompting his 21-year-old kid Tim to figure out what happened. Aiding in the investigation is Harry's former Pokémon partner, Investigator Pikachu: a hilariously wise-cracking, adorable super-sleuth who is a wonder even to himself. Discovering that they are distinctly outfitted to connect with one another, Tim and Pikachu sign up with forces on a thrilling experience to unwind the tangled enigma. Chasing after clues together via the neon-lit roads of Ryme City-- a vast, contemporary city where humans and Pokémon live side by side in a hyper-realistic live-action world-- they run into a varied actors of Pokémon personalities and also reveal a shocking story that might destroy this calm co-existence as well as threaten the whole Pokémon world.