Cevahir is the eldest son of a family that makes a living by working as a tinsmith. Where the fight is in the village, there is Cevahir. Tired of his mischief, his family sends him to work with Seyfi, whom they know is a coffee shopkeeper in Istanbul. Seyfi is actually a casino. Thus, Cevahir will have taken the first step to the underworld without knowing it.