A nurse and her twin struggle to exorcise a demon that tries to possess her through a mysterious radio broadcast every night at 10 PM.
It starts with Rana and his best friend Janu who are climbing a mountain in bad weather. In the middle of a dense forest, they got separated and lost. Janu is lucky to be back home at last. But not with Rana. An extensive search was carried out. Rana not found. A week has passed. Rana's extended family decided to hold a tahlilan. Rana is considered unlikely to have survived and will surely die there. Dini can't accept that. As a mother, Dini doesn't want to just give up and still believes that her daughter Rana is still alive. Sure enough. After the tahlilan, Rana came home in the pouring rain.
A young man brings his girlfriend to work on a cargo ship with him, as a cleaning worker. They both hope the work is temporary, since their goal is to work abroad, desperate for a better life. But, they don’t realize by the time they reach the ship, they have entered a hell that floats on the sea.