Death Steps in the Dark
An Italian reporter is travelling on the Instabul-Athens train. A woman is murdered with the reporter's letter-opener so that makes him the main suspect. With the help of his Swedish girlfriend he starts investigating in order to prove his innocence.
An Italian reporter named Luciano (Leonard Mann) is on an express train in Greece when a murder occurs. As the train goes into a darkened tunnel, the murderer takes the opportunity to kill a woman on the train with a letter opener. Since the letter opener belonged to Luciano, the people on the train blame him for the girl's murder. With the aid of his Swedish girlfriend (Vera Kruska) and a criminal he meets along the way, Luciano tries to prove his innocence by solving the mystery and producing the real culprit.