The hero of our story is Manu Keraleeyan, he's a businessman in Melbourne, Australia. He has a friend called Ajas. Manu doesn't have any family or relatives in India. He was born and raised in an orphanage.His mind is set on theatricals. He changed his own name into Manu Keraleeyan. And goes about introducing Kerala food and attire to the natives he meets.Manu is aware of the shenanigans his friend Bluetooth Ravi commits by chatting with women from different homes.Manu came to know about an incident involving his friend from office. His friend had bought his fiance a smartphone that ended with her eloping with someone she met through chatting. Life went on uneventfully when one day a girl entered his life. He fell in love with her and they married. Manu who was blatantly aware that his friend's wives were chatting with other men hatches a plan to find out how his wife would react if someone called her on her phone.The movie, Manorajyam is the story about how this callous act turns his life around.