Ibu Mertua-Ku is a critically acclaimed movie directed and starred P Ramlee himself. It tells a story of a cruel and self-centred mother in law, Nyonya Mansoor.The film begins with a love story between the daughter of a wealthy matriarch, Sabariah and a small time musician, Kassim Selamat. Nyonya Mansoor, being status and class conscious, deplores musicians. She wishes for Sabariah to marry Dr Ismadi who is of her choice. However, when Sabariah chose Kassim Selamat as her partner, Nyonya Mansoor arranges for a quick marriage ceremony for the pair and casts them out of the house. They moved to Penang to start a new life, forcing Kassim Selamat to earn a living as a labourer to please Sabariah. They soon transitioned into a life of poverty until a pregnant Sabariah eventually reaches out to her mother for help.