Sanctuary (2019)

Hel receives an unexpected invitation to reconnect with her estranged twin sister, Siri, at a luxurious sanatorium nestled in the picturesque Italian Alps. However, their reunion takes a dark turn when Hel declines Siri's request to switch lives for a few days. The next morning, she awakens to find Siri missing and soon discovers that the facility is not the sanctuary it seems. As Hel unravels the chilling secrets of the clinic, she must confront the unsettling truth about her sister's disappearance and the sinister forces at play.