Sijjin 3: The Forbidden Love.

Growing up, siblings Sedat and Kahder live a happy life with their childhood friend Orhan. The trio's kinship is further strengthened by the union of Orhan and Kahder in a holy matrimony. However, when the siblings are involved in a fateful accident, Orhan's faith is put to the test in his desperate attempt to save his sanity by making a deal with the devil, all in the name of love.