There is a famous 2011 Tamil drama (often shortened to Thirumagal by fans), starring Vikram, Anushka Shetty, and Amala Paul. If that’s the film you mean, here is the full feature breakdown (story, cast, songs, and where to watch).
It seems you're asking for the (likely the full movie or a detailed summary) of the Tamil film Thirumagal (also spelled Thirumaalai or Thirumagan ? Let me clarify). thirumagal movie
