Oh Beautiful Istanbul(1981)

Original title: Ah Güzel İstanbul

Kamil, who earns his living as a long-distance truck driver, falls in love with Cevahir, whom he meets at a brothel he visits with his friends, and rents a house for her. Their goal is to get married. However, their financial situation is not sufficient for such a marriage. Kamil accepts a friend's offer to engage in smuggling in order to build a better life.