Two brothers Michel Rajamma (Kunchacko Boban) known as Rajamma and Vishnu Yohannan (Asif Ali) known as Yahoo. They are born to the inter-caste couple Yohannan (Saiju Kurup) and Rajamma (Tessa); who fell in love during their college days. After the sudden demise of their parents; they live alone in their house; a bungalow under the care of Aimutty (Mamukkoya). After leading a carefree life; the duo plans to rent out parts of their bungalow to different families. One to a Yahoos girlfriend; Naseema and family; other to Pavitran; a village officer and an other to a Sherin; who came from Wayanad. The film follows Sherin and her problems; in which Rajamma and Yahoo intervenes. Watch Rajamma Yahoo movie online.