Medcezir (Tide) is a Turkish teen drama series written by Ece Yörenç and Melek Gençoğlu. It is an adaptation of the American TV series The O.C., created by Josh Schwartz. The story revolves around Yaman Koper, a boy with a poor background and disturbed family life portrayed by Çağatay Ulusoy, and a rich girl named Mira Beylice, portrayed by Serenay Sarıkaya. With a turnover of ₺25.6 million by the end of season one, Medcezir became the fifth most successful series in Turkey in terms of net sales and earning the producer as much as possible.