Indri quickly rushes home from abroad when her father suddenly dies. At home, she finds her nursemaid Tuti tied up while her stepmother has gone back to the village. At night, someone is stalking the house. So she suspects that her father’s death was unnatural and her suspicions ring true. Somali, the vice-president in her father’s company, wants to take over the latter’s wealth by colluding with her nursemaid.
A biology research group, lead by Johan Giru and his wife Sofia, go to Lavayetty Island and encounter evil monkeys rotting from the inside out and becoming worm infested, a primitive tribe and a supernatural creature.
Ayu Sutrisna, a novelist, is suffering from a specific phobia that makes her hands shake and cold sweat to break out. Her boyfriend, Anton, suggests a more laid-back atmosphere. So she takes a retreat in an old house owned by Anton’s father. Then two guards of the house die in a horrible way when they try to rape her, seemingly killed by demons. Finally, Anton’s father admits that in the past, his wife gave birth to a baby one Friday night, and was killed.
Sumiati lets her husband marry Yati because she cannot bear a child. But when Yati delivers, Sumiati is pregnant and gives birth to Mira. Mira’s presence worries Yati. Therefore Yati accuses Sumiati of cheating. Sumiati leaves the house. Mira learns of this history as Yati always insults her when she asks for her monthly allowance. There is more tension when Rachmat, who is matched to Yati’s daughter, Neneng, is more attracted to Mira. By chance, Mira repeatedly catches Yati having affairs. Her father is furious. Then Yati runs away with the fortune and the child of her affair. Neneng, who stays, commits suicide. Her father realises his mistake and reconciles with Sumiati. Rachmat has also come back for Mira.
