Suddenly in the Dark (1981)

Name: Suddenly in the Dark
Genre: Horror, Mystery, Drama
Released: 1981-07-17
Duration: 101 min
Cast: Kim Young-ae, Lee Ki-seon, Yoon Il-bong, Han Hye-ri, Kim Min-gyu

Who's actually the villain? Is it all a dream? Is she right?

A wife starts to suspect her husband's infidelity after the arrival of their new, young housekeeper, who carries a mysterious wooden doll with herself.