Mist Whispers Like a Woman 1982

As Sung Min gets involved with a young, attractive mistress, he becomes estranged from his wife, and begins to dream of murdering her. Finally, he carries out his plan of murdering his wife. After doing that he is tormented with the phantom of his wife without knowing that she is alive. Meanwhile, Sung Min's wife, who barely saved her life, makes a plan for revenging herself on her husband.