Now that he no longer has his widow, Ada, to keep him in check, the late and murderous Horace Carpenter manifests from a gaseous, dark entity into human form at the Old Mortuary, intent on wreaking havoc on all around him. But what is his plan exactly? While Emily is terrified of going anywhere near the Old Mortuary to take on the role Ada has foreseen for her, and a disenfranchised cult called 'The Sisterhood of the Zodiac' heads his way, can Horace pull off a level of destruction that will satisfy even him?