Children of the Harbor (1969)

Somewhere in the Port of Piraeus, at the humble tavern of Captain Alexis, lively Vagelitsa has a chance encounter with handsome Captain Andreas. As one thing leads to another, they become a couple, much to the dismay of Alexis' mother; however, fate has other plans in store for Alexis and Vagelitsa. After a tragic accident, a mysterious unknown woman arrives at the tavern, claiming that she is Vagelitsa's mother. Could she be telling the truth?