A mother's desperate cry to protect her child awakens an ancient, forbidden spell. As a horrific murder is concealed, the buried secret festers beneath the earth, transforming into a darker force. Years later, a mysterious death resurfaces the long-hidden sin: "The Seal of Bloodline."

Fatih, who lives with his family in his mother Gönül's house, cannot stand the pressure of his wife Berna and puts his beloved mother in a nursing home. However, the silence that descends on the house after this decision is a harbinger of an approaching storm rather than peace. The house is no longer under their control; a dark force has insidiously surrounded every corner. As the paranormal events become increasingly frightening, Fatih's guilty conscience weighs heavily on his shoulders. Finally, he decides to bring his mother back from the nursing home. But it is no longer his mother who returns home...Every secret comes with a price. And secrets written in blood never go to the grave!