Cuckoo

Gretchen is a 17-year-old who reluctantly moves to a German Alpine village with her father and his new family. Soon, she becomes troubled by strange noises and unsettling visions in their new home. Her half-sister Alma, who is mute, attracts mysterious attention from her father’s boss, Mr. König. As Gretchen’s anxiety intensifies, she begins to suspect something dark is at play, entwining the family in a disturbing mystery.