Alfred Hitchcock Presents:Guilty Witness (1955)

Stanley Crane is working at his grocery when Mrs. Verber comes in with a badly bruised face. Stanley's wife Dorothy believes that Mr. Verber hits his wife, and is having affairs with other women. Back at home, the Cranes hear the Verbers having a violent argument in the apartment above theirs. The next day, when Mr. Verber is missing, and soon afterward a detective starts poking around the apartment building, the Cranes can't help suspecting the worst.