Viswanath (Rajnikanth), a famous lawyer, stays with his widowed mother (Vijayakumari) and physically handicapped sister (Uma). He sends Jegan, a rich magnate's son (Sathyaraj) and Lokaiya, two criminals to jail on the charge of rape and murder of an innocent girl. Jagan’s father, GMK (M N Nambiar) uses his influence and starts creating trouble in Viswanath’s life. GMK succeeds in getting Viswanath imprisoned on a trumped up charge. His heartbroken mother dies. Once out of jail, Viswanath sets out to punish the culprits when he temporarily loses his eyesight.
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.
When Billy Peltzer is given a strange but adorable pet named Gizmo for Christmas, he inadvertently breaks the three important rules of caring for a Mogwai, and unleashes a horde of mischievous gremlins on a small town.