A disheartened young man termed as a loser goes head-on heels over a girl who is a humanoid. 

After his son challenges him to study and become an auditor, a father joins his son's college to teach him a lesson about hard work and determination.

Aaditya Arunachalam (Rajinikanth) is a sincere police officer who becomes famous in the Mumbai Underworld for his violent nature.

Raghu (Dhanush) is a middle-class boy who lives with his mother and father.

Kaali (Rajinikanth) is a stylish elderly man who has the charm and charisma to make anyone fall for him.