Thamizh (Dhanush) is a young guy who is born in a middle-class family and stays with his parents. He falls in love with Sandy (Amy Jackson) and the duo fall for each other in no time. Life goes on smooth until Thames’s parents (KS Ravikumar and Radhika Sarath Kumar) rejects Sandy blaming that she comes from a different community.They try hard to convince him and gets him married to Yamuna (Samantha), a traditional girl from his community. The rest of the flick is about how Thamiz forgets Sandy and takes the responsibility of his family. Watch ThangaMagan to know about the complete film.