Harry Goodman and his partner, a Pikachu, get into a car crash on the way to solve a case, leading to Harry’s disappearance and Pikachu losing his memory and ability to use its moves. Two months later, Tim, Harry’s son, comes to Ryme City in search for his father and meets the Pikachu, claiming to be the great Detective Pikachu, discovering that they can somehow understand each other.
