Chinna Vandu (Dhanush) is the youngest in a family consisting of father(Pyramid Natarajan), mother and his two elder brothers (Sriman and Sathyan), bachelors who are desperate to get married. The first half is all about how Chinna Vandu meets and fall in love with Vana Roja ( Nazriya ) and due to circumstances is forced to run away on her engagement day. She comes to Chinna Vandu's house as an apprentice in his brass shop, but his two elder brothers want to marry her.