"Sinden Gaib" tells the story of a young woman named Maya who works as a traditional Javanese singer known as a "sinden". Maya is gifted with a beautiful voice and often performs at various events and ceremonies.
One day, Maya receives a mysterious invitation to perform at a wealthy businessman's mansion. Despite feeling uneasy about it, she decides to accept the offer as the payment is too good to pass up. However, once she arrives at the mansion, Maya realizes that something is not quite right.
As Maya starts to sing at the event, she notices that the guests are acting strangely and seem to be under some sort of spell. She soon discovers that the businessman is using her voice as a way to communicate with spirits from beyond the grave. Shocked and terrified, Maya tries to leave but finds herself trapped in the mansion.
With the help of a kind-hearted servant and her own courage, Maya must find a way to break free from the businessman's control and stop him from using her voice for his dark purposes. Along the way, she uncovers long-buried secrets and learns more about her own family history.
As Maya delves deeper into the supernatural world of the Javanese culture, she must confront her fears and confront the malevolent spirits that threaten her life and the lives of those she cares about. Will she be able to survive this dangerous situation and protect herself and her loved ones, or will she fall victim to the sinister forces at work in the mansion?
"Sinden Gaib" is a thrilling supernatural horror film that combines elements of traditional Indonesian folklore with modern-day suspense. It is a story of courage, family, and the power of music to overcome even the darkest of forces.