The unexpected arrival of his mother-in-law causes uncontrollable hysteria in Kri-Kri's home. Determined to scare her off, indeed get rid of her, he starts developing Machiavellian plans. Trying to poison, sabotage and beat her up, Kri-Kri stops at nothing to attempt to frighten his terrible mother-in-law, to the great displeasure of his sweet wife.