The series "Son Yaz" is a Turkish crime drama about the challenging mission of prosecutor Selim Kara. Eight years ago, he sent the criminal leader Selçuk Taşkın to prison, but his gang is still at large. Unexpectedly, the mafia boss decides to make a deal with the investigation and offers Selim valuable information. However, in exchange, he demands safety for his son Akgün. The police officer decides to shelter the boy in his own home. However, his wife, Ceylan, disapproves of this decision and demands a divorce.