Madhavan, a poor cook, agrees to take up a job of cook of a Tamil family in Australia to meet his financial demands. But he gets stranded when the man who hires him dies abroad unexpectedly. After losing his belongings including his passport he is taken by a Tamil couple Sriman and Anu Haasan, who hire him as a cook in their eatery. Based on an idea of their Friend Ivan, the couple asks Madhavan to marry Geethu Mohandas, an Australian citizen so that he can become a citizen too. The rest of the storyline is about how Madhavan handles this tricky situation.