Reluctantly, 17-year-old Gretchen leaves her American home  
to live with her father, who has just moved into a resort in the  
German Alps with his new family. Arriving at their future residence, they are greeted by Mr. König, her father's boss,  
who takes an inexplicable interest in Gretchen's mute  
half-sister Alma. Something doesn't seem right in this  
tranquil vacation paradise. Gretchen is plagued by strange  
noises and bloody visions until she discovers a shocking secret  
that also concerns her own family.   
 
A Film by Tilman Singer  
Starring Hunter Schafer, Dan Stevens, Jessica Henwick