An unlikely detective, armed only with an umbrella and a singular handbook, must solve a string of crimes committed in and through people's dreams. In an unnamed city slick with rain, Charles Unwin toils as a clerk at an imperious detective agency. His job: writing reports on cases solved by the palindromic Detective Travis Sivart. When Sivart goes missing and his supervisor is murdered, Unwin is promoted to detective, a rank for which he is woefully unprepared...