Final year mechanical engineering students, Romario, Riyas, Yoodas, and Athmaram think their lives are miserable since there is not one single girl in their class. Much to their joy, a girl called Riya joins their class and soon becomes friends with the boys. Termed as 'mechrani' of the college, all the boys from the mechanical department begin to flirt with her, leading to comical situations.

Kavalam Jimmy and Vattathil Bosco are rivals from their school days and Minnal Simon always tries to benefit from this situation.Three of them have their own intentions and they back stab each other to attain their own aims.

Final year mechanical engineering students, Romario, Riyas, Yoodas, and Athmaram think their lives are miserable since there is not one single girl in their class. Much to their joy, a girl called Riya joins their class and soon becomes friends with the boys. Termed as 'mechrani' of the college, all the boys from the mechanical department begin to flirt with her, leading to comical situations.