A mother moves into an old family home to undergo a rigorous treatment that she hopes will help her autistic daughter communicate. The therapy seems successful when the girl miraculously begins to speak. However, she soon discovers that her daughter has come into contact with the tortured entities of the place, who return from beyond to collect a dark debt from the past
When her sister is murdered by a group of politically connected rich kids, Sayara, a quiet gym cleaner from Turkmenistan, begins to follow in her father's footsteps, seeking a path of revenge.