Yumi Takeshita, a cheerful and newly minted police officer at the Tawagoto precinct, has a chance encounter with her past when she meets Tohru Ichidaiji, a skilled magician who had saved her from a life-threatening accident years earlier. Their paths cross again during Yumi's first arrest attempt, and she is drawn to his charming and helpful nature. As Yumi navigates her duties as a police officer, often finding herself tasked with unusual and challenging cases, she frequently seeks the assistance of the resourceful Tohru, forging a strong bond between them.