On July 18th, 1990, Match Burns, the boss of the Matchstick Factory. has been murdered. She was just doing her work, and then the whole factory catches on fire. The door was locked, and she died. And now, Ruby Gemstone, a sugar fanatic and one of Match's coworkers, needs to figure out who did it after Leafy confirmed Firey is innocent. With the help of Match's bestie, Pencil McSharps, can Ruby figure out Match's killer?