The story is woven around a mobile phone, which Thankar says connects people by voice and helps to have new relationships and maintain them. A mother has nine children, but she lives in a situation, which separates her from the children. The only way she could be in touch with them and hear their voices is a mobile phone. She regards her mobile phone as the representative of her children and has become possessive of it. Her last son is Shanthanoo and his lover is Iniya. The film also registers the strong bonding between the mother and her last son.

Vetri, an aspiring director, wants to finish his dream script but he is constantly disturbed by his roommates. Problems arise when the story he weaves about Merlin, an imaginary ghost, comes to life.