Hell of Boomerang (2001)

Yusuf Miroğlu and Zeynep travel to Diyarbakır in southeast Turkey to attend his best friend Cemal's wedding. While performing the traditional halay dance at the wedding, Cemal is killed by an assassin. Cemal's widowed wife Leyla pleads Yusuf to find the people behind the murder and bring them to justice. Yusuf finds himself caught in a struggle against the PKK and other terrorist groups in the area.