Happy Happy Ga is Mani Sharma`s musical love story. Santhosh (Varun Sandesh) is an orphan who lives along with his 4 friends. He earns his livelihood by handing out bouquets to customers on behalf of his client. His team is called `Cartoon Guys`, where his friends dress up like cartoon characters while wishing people. Santhosh dreams of settling down in life with a suitable girl. He gets a chance at it when he accidentally bumps into Pooja.