There is a template that works not just in India but across the world. A situation arises for these heroes to embrace their old self as the past comes haunting them. Here are some instances in Tamil.. 
Slideshows

From Baasha to Kaidhi, Tamil films ft. a hero with a 'past' 

There is a template of films that seems to work not just in India but across the world. From John Wick to Shooter, Hollywood has its share of films with heroes who have had a different life and leaves it behind. But the situation arises for them to embrace their old self as the past comes haunting them. Here are some Tamil examples: 

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