Red Maze (1974)

Original title: 赤い迷路

A psychiatrist whose wife is murdered tracks down the culprit. Psychiatrist Masato Yuki returns to Japan after three years in the United States, where his beloved wife, Taeko, and daughter, Akiko, are waiting for him. However, Masato becomes suspicious of his wife's behavior. At Masato's homecoming party, he receives a mysterious phone call and his wife, Taeko, disappears. The next day, Taeko's gruesomely mutilated body is discovered in a motel. Masato tracks down the murderer. However, the secret of his daughter, Akiko's birth, is hidden in convoluted web of lies and agony.