The Sighing Chord (1970)

Against prejudice and discrimination, Jenny Karra, the beautiful daughter of Cyprus' most prominent industrialist, falls in love with Nikos Terzis, the humble fisherman with the melodious singing voice. However, her obstinate father opposes their union, and to make matters worse, he has already chosen a husband for Jenny. As a result, proud Nikos decides to commit himself to becoming a professional singer, unbeknownst to him that fate has a cruel future in store for his former girlfriend. Now, they all need a miracle. Can Nikos, the poor lad from Cyprus, save his beloved, Jenny?