Gautham Subramaniam (Jayam Ravi) is a doctor from an Indian family who lives in Chennai. Since his father (Nizhagal Ravi) and mother are doctors, he wanted to become a doctor. Gautham gets an opportunity from the Government of India to go to Russia to represent India in a week long medical conference, along with five other young doctors. Gautham is delighted to receive this offer and packs his bags to fly to Russia. Meanwhile, his beloved is introduced on the frame which happens to be Shenba (Kangana Ranaut). She happens to be the same village girl in which Gautham's sister Sarasu (Anu Haasan) resides with her husband (Chetan), and so they two meet and fall in love. They keep that a secret. But Sarasu's husband finds their love when he sees Gautham pinches Shenba's waist hardly so she screams. Despite initial frictions between her father (Mahadevan) and uncle (Bose Venkat) with Gautham, they eventually agree to get the pair married. Gautham's parents agree to the marriage, and as a happy man, Gautham is ready to marry Shenba after his return to India from his Russia trip.