Chloe, a priestess-in-training at a church on the outskirts of the kingdom, is a money-obsessed young woman who uses her talents of perception and memory to make easy money night after night at the gambling dens. One day, she is visited by an upstart holy knight named Heraldo. His purpose for seeking her out? To commission her to “Infiltrate the central church as a Lady Saint candidate and find the culprit of a murder that happened two years ago…”?!