On his wedding day, Shiva (Vijay) discovers that his cousin and bride, Aruna, has run away because she does not want to marry a cook. But he takes it lightly and moves to Chennai with the girl's brother (Shyam Ganesh) to look for a job. One night, he saves Sandya from some goons. In gratitude, she kisses him. Shiva starts to fall in love with Sandya. After several occasions where they bumped into each other, Shiva harbours hope that she too reciprocates his affections.
A rare mutation has occurred within the vampire community - The Reaper. A vampire so consumed with an insatiable bloodlust that they prey on vampires as well as humans, transforming victims who are unlucky enough to survive into Reapers themselves.
Tenacious homicide detective Cassie Mayweather and her still-green partner are working a murder case, attempting to profile two malevolently brilliant young men: cold, calculating killers whose dark secrets might explain their crimes.
With the impending ice age almost upon them, a mismatched trio of prehistoric critters – Manny the woolly mammoth, Diego the saber-toothed tiger and Sid the giant sloth – find an orphaned infant and decide to return it to its human parents.