Okay, man(1974)

A singer, who goes to America hoping to make a career, finds himself involved in a drug trafficking case. He refuses to join this ring, and in his effort he is supported by a girl supports him in his efforts. The young man manages, with great difficulty and the help of a ruthless and self-serving manager, to make a career for himself and become rich. However, when threats from the mafia are added to the exploitation by his manager, the now successful singer abandons everything to return to Greece.