A Turkish coastal town, in 1990: The unexpected visit of his long lost brother Asaf disturbs Azmi Arifoglu. 40 years ago Asaf was a prisoner of war, and Azmi managed to let him pronounce dead to marry his fiancée Nevin. After Nevin's decision to live with Asaf, Azmi feels his honor insulted. The conflict shakes the whole family. Meanwhile 13-year-old Arif falls in love with Bahar his age. An unexpected rival shows up and he gets jealous

Levent finally reaches the treasure after great effort. However, the treasure is owned by jinns. With the discovery of the treasure, a jinn from the devil's lineage haunts Levent's son Mustafa. Levent, trying to save his son from this situation, meets Aysel upon the advice of a teacher. To save Mustafa from this situation, they must find a body to imprison the possessing jinn. Upon this, Levent sets his sights on Ali, who is taking care of his son, and they begin to devise a plan.

Zeynep has been seeing some beings for a while. Upon this situation, Zeynep and her family set out to find out why what happened. Meanwhile, Zeynep's 6-year-old sister, Elif, mysteriously disappears. Although the evidence indicates that Zeynep pushed Elif into the well, no trace of Elif was found in the well for 2 months. When her mother sets out to search for her daughter again, she is forced to face grim realities.

Demon 3: Desolate Scream tells the story of a young woman who encounters terrible situations while trying to find out what the beings she sees are. Zeynep, who has been suffering from a neurological disorder for a while, begins to experience forgetfulness. Zeynep, who sees some beings at the same time, cannot understand whether they are related to her illness or not. Suspecting that the beings she sees may be from the Realm of the Phantoms, Zeynep sets out to find out. Meanwhile, Zeynep's 6-year-old sister, Elif, mysteriously disappears. The family is devastated by Elif's disappearance. But something more terrifying awaits them.

Doğa is a vibrant, university-aged young woman who suffers a tragic accident, resulting in spinal cord injury and loss of sensation below the waist. After this traumatic event, Doğa's life is completely transformed, and she loses her passion for life. She meets Yiğit, and through him, she tries to reconnect with life. Yiğit is a media-famous actor who has been betrayed by his fiancée and is eager to move past the emotional turmoil he is experiencing.