Haunted Hotel - American TV Series Synopsis
It follows Katherine Freeling, who move into the Undervale Hotel in Upstate New York with her children Ben and Esther, which was owned by her deceased brother Nathan. However, it is soon revealed that the place is haunted by the quirky restless spirits of the previous residents, including Nathan, who offers to help Katherine make the hotel's business successful. They later meet an immortal demon named Abaddon, who is trapped in the body of a young boy from the 1700s and offers to help the family fend off evil demons, murderers and other entities who come to the Undervale.