Ammachi is no ordinary grandmother. Not only is she a great cook, but she is also smart, well-read (she even reads books on Darwin’s theory of evolution), innovative, and quite a detective. When her unniappams start disappearing, she sets up simple rope and pulley traps around the house to catch the thief. Will her traps work, or will she need to rely on her observation skills and detective work to find the culprit?