Kunjoonjamma Thomas (Padmini) is a widow living in the village all by herself. People always make fun of her because she is grumpy and depressed due to the deaths of her husband and her only child. Children irritate her by ringing her door bell and running away. One day, her granddaughter Girly (Nadia Moidu), who she had never met, visits her. Initially, Kunjoonjamma does not like Girly, but they soon become close to each other.
After losing their academic posts at a prestigious university, a team of parapsychologists goes into business as proton-pack-toting "ghostbusters" who exterminate ghouls, hobgoblins and supernatural pests of all stripes.
In the post-apocalyptic future, reigning tyrannical supercomputers teleport a cyborg assassin known as the "Terminator" back to 1984 to kill Sarah Connor, whose unborn son is destined to lead insurgents against 21st century mechanical hegemony.