Professor Abanish Sen decides to play a joke on his brother-in-law by disguising himself as a driver. However, his plan goes awry when his sister-in-law Sulekha grows close to the fake driver. Meanwhile, Abanish's friend Subimal poses as Abanish and falls in love with his friend's sister Basudha. After much comedy and drama, the truth is revealed and Subimal and Basudha become engaged, ending the humorous deception.