When human forces discover the existence of the Vampire and Lycan clans, a war to eradicate both species commences. The vampire warrior Selene leads the battle against humankind.

Valli (Priya Raman) returns to her village after studying for 15 years in Madras. Her cousin (Hariraj) celebrates her arrival back to the village. He was in love with Valli since childhood days, but she has changed after she went to study in the city. She

When the President learns that domestic terrorists have skyjacked the passenger jet her brother is flying, she must choose between family and the safety of the people in the cities below.