Worlds collide! A mysterious relative leaves Reggie a lavish lake house. Archie discovers a secret room and the mysterious Necronomicon! A month before Reggie's party at his lake house, Archie got a job at S-Mart, where Ash has been transferred! Riverdale is about to see an Army of Darkness with Deadites!
— Description from Comic Vine community (comicvine.gamespot.com).
