Hider in My House (2022)

Molly Bachman, a young bestselling author buys the apartment of her dreams in the city. As she settles in, ready to start work on her next novel, strange sounds and bumps in the night begin to alarm her, along with the feeling of being watched and followed. As she discovers the dark history of the apartment, she eventually discovers a horrifying secret - a hidden entrance to another abandoned apartment behind the walls. What lies behind those walls leads to a shocking revelation.