Oru Naal Varum

Nandakumar (Mohanlal), a clever cop from the Vigilance & Anti-Corruption bureau, takes on the disguise of a commoner to corner a corrupt, but equally shrewd government official - Assistant Town Planning Officer Gopi Krishnan (Sreenivasan), but gets the tables turned on him. Meanwhile, his personal life gets messed up when his estranged wife Meera (Sameera Reddy), approaches the court for custody of their daughter. (Summary by iceblox)