Murat is a mafia boss. Commissioner Şahin, newly appointed to Beyoğlu, is after Murat. Murat asks his pregnant wife Nilgün for help with a smuggling job. However, during the job, Nilgün gives birth to a baby boy but dies herself. Before being arrested, Murat entrusts his son Deniz to Şahin. However, Şahin's enemies do not leave Deniz alone.

Emel works at Osman's club. There she meets Kemal and they fall in love. They decide to get married. Kemal's man Mahmut, gets Kemal into a pretended drugs business and causes Kemal to go to Tehran. Kemal writes letters to Emel but they are kept by Mahmut and Emel never sees them. Mahmut calls Kemal to Istanbul.