Kalagh Part 1 (سریال کلاغ قسمت اول) is a 2026 Iranian thriller-drama series directed by acclaimed filmmaker Mohammad Hossein Mahdavian. Released on the Filimo platform, the series marks another major collaboration between Mahdavian and actor Hadi Hejazifar, known for their successful past projects in Iranian cinema. Set within a dark and suspenseful atmosphere, Kalagh follows the story of Daryoush, a man whose life becomes increasingly complicated after he becomes involved in a chain of mysterious and emotionally charged events. As secrets from the past slowly emerge, relationships begin to fracture and hidden motives come to light. The series gradually builds tension through psychological conflict, emotional pressure, and unexpected twists that keep viewers engaged throughout the narrative. Blending crime, mystery, and social drama, Kalagh focuses heavily on character depth and emotional realism. Rather than relying only on action or shock value, the series explores themes such as trust, betrayal, revenge, and the consequences of difficult choices. The storytelling style creates a slow-burn sense of suspense while carefully revealing the personal struggles of each character. Featuring performances by Hadi Hejazifar, Elnaz Malek, Mehran Ghafourian, and several other notable Iranian actors, Kalagh stands out as one of the anticipated Iranian series of 2026. With its cinematic direction, tense atmosphere, and layered storytelling, the series offers audiences a gripping and emotionally engaging viewing experience.