The
story begins when ace detective Harry Goodman goes mysteriously
missing, prompting his 21-year-old son Tim to find out what happened.
Aiding in the investigation is Harry's former Pokémon partner, Detective
Pikachu: a hilariously wise-cracking, adorable super-sleuth who is a
puzzlement even to himself. Finding that they are uniquely equipped to
communicate with one another, Tim and Pikachu join forces on a thrilling
adventure to unravel the tangled mystery. Chasing clues together
through the neon-lit streets of Ryme City--a sprawling, modern
metropolis where humans and Pokémon live side by side in a
hyper-realistic live-action world--they encounter a diverse cast of
Pokémon characters and uncover a shocking plot that could destroy this
peaceful co-existence and threaten the whole Pokémon universe.