Aravind (played by Jiiva) is a flirt who falls in love and marries Divya (Kajal Aggarwal). They have an argument and Divya breaks up with Aravind near a liquor outlet. She returns to his life after a long time only to seek divorce from him. He takes a blank cheque from her and puts another condition for signing the divorce papers. He wants her to live with him in his house for a week and do all the wifely duties ...
A man buys a house only to realise that the place is haunted by a ghost that will not let him in peace.
Vishnu (Nakul) is on his way from Coimbatore for his new job and also to see his Fiance who is his uncle's daughter. During his journey he meets Pavitra (Nikesha Patel) and upon his arrival in Chennai, problems begin. Simultaneously Narathan (Premji) a renowned movie director is at his uncle's place who is also a movie producer. Narathan narrates his story to Vishnu's uncle and interestingly all the incidents have been happening in Vishnu's and all the other people's lives.
Mapla Singam is a rural comedy about two families in a village that are in constant conflict with each other.