A sci-fi comedy based on alien invasion. Some friends discover advanced extraterrestrial tech. But, the aliens want it back. So they turn to a science nerd who was abducted by aliens and scheme ways to outwit the off-world shape-shifters.
Honest cop Rajadurai arrests criminal Mayandi who later takes revenge by kidnapping Rajadurai's son Vijay. Mayandi raises Vijay as Arun alongside his own son, molding him into a weapon against his father.
